If (x + 1) : (x + 5) :: (x + 17) : (x + 53) then what is the mean proportional between (x + 5) and (9x−1) where x > 0?

Find the fourth proportion of \(\frac{1}{3}\)rd of 15, \(\frac{4}{5}\)th of 25, \(\frac{3}{7}\)th of 35.

M varies inversely as (N² + 3). If M = 3 when N = 3, then what will be the value of M when N² = 69?

A question is given, followed by three statements labelled I, II, and III. Identify which of the statements is/are sufficient to answer the question.

What is the value of A when D = 7?

Statements:

I. A varies directly with the sum of B and C. B varies directly with D, and C varies directly with D².

II. When D = 3, A = 33.

III. When D = 4, A = 52.

'x' varies directly with the cube of 'y' , and inversely with the square of 'z'. if x = \(1\over{36}\)when y = 2 and z = 3, then what is the value of 800x when y = 3 and z = 5?

Find the quotient, when the mean proportional of 7\(1\over5\) and 245 is divided by an even prime number.

p varies directly as (x² + y² + z²). When x = 1, y = 2, z = 3, then p = 70. What is the value of p when x = -1, y = 1, z = 5?

The arithmetic mean and geometric mean of two numbers are 7 and \(2{ \sqrt{10}}\) respectively, then find the numbers.

Third proportion of 15 and 120 is:

Find the third proportional of 0.9 and 1.5.

What is the third proportion of 6 and 18?

Find the third proportional to 27 and 18.

Find the fourth proportional of 144, 192, and 216.

Find the fourth proportional of 3, 7, 12.

If 40: 35:: 35: x, find the value of x.

Find 2 numbers such that their mean proportion is 25 and their third proportion is 25.

The third proportion of 9 and 24 is:

X varies directly as \(\sqrt Y\). When Y = 20.25, X = 18. When X = 7.2, then Y = ?

M varies inversely as (N² + 3). If M = 3 when N = 3, then what will be the value of M when N² = 69?

If x is added to 15, 33, 7 and 17 then the number so obtained in this order are in proportion. What is the value of x?

What should be subtracted from 3, 7, 4, and 6 so that they are in proportion?

Find the third proportional to 8 and 20.

'x' varies directly with the cube of 'y' , and inversely with the square of 'z'. if x = \(1\over{36}\)when y = 2 and z = 3, then what is the value of 800x when y = 3 and z = 5?

What is the fourth proportional to 0.12, 0.16 and 0.21?

The fourth proportional to 27,108, and 165 is:

What is the fourth proportional to 16, 24, 8?

The fourth proportional to 4, a, and 16a is 81. What is the value of a?

If x is the mean proportional between 12.8 and 64.8, then the value of x is:

If x and y are inversely proportional to each other and x = 27 when y = 7, then what is the value of x when y = 21?

What smallest positive number that should be subtracted from 2 and 3 so that 4 is the third proportion to them?

If (x + 1) : (x + 5) :: (x + 17) : (x + 53) then what is the mean proportional between (x + 5) and (9x−1) where x > 0?

What is the fourth proportional to √6, √8, and √21?

Find the third proportional to 27 and 18.

If 27 : 81 :: x : 63, then find the value of x.

If the third proportional of 3x² and 4xy is 48, then find the positive value of y.

If 405 : y :: y : 125, and y > 0, then find the value of y.

Determine the fourth proportional to 11.6 m, 9.2 m, 32.8 m. (Consider up to two decimals)

A certain number is subtracted from each of the numbers 20, 24 and 29. After subtraction, those numbers are proportional. What is the number subtracted?

The third proportion of 9 and 24 is:

The third proportional to 81 and 27 is:

The mean proportion of 0.14 and 2.24 is:

If 40: 35:: 35: x, find the value of x.

Find the third proportion of P and 12, when 8, P, 16 and 18 are in proportion.

Find the third proportion of 6 and 12.

The square of the third proportional of 36 and 12 is _______.

Find the mean proportion of 3 and 27. 

What is the fourth proportion of 12, 42, 50?

Find the fourth proportional to 4, 9 and 16.

What is the mean proportional between 3 and 27?

Find the mean proportional of 36 and 100.