Question

iF 25,x,4 are in continued proportion, find the value of x.

Answer 1

Answer:

formula of continued proportion = b2= a×c

let b = x

now , X2 = 25 × 4

X2 = 100

x = √ 100

x = 10

Answer 2

Answer:

25, 35 and x are in continued proportion

⇒ 25 : 35 = 35 : x

5⇒ 25×x=35×35

x=\frac{35\times35}{25}x=  

25

35×35

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\Rightarrow⇒ x= 49