Question

4.
8, x, 98 and 343 are in proportion. What is the value of x?
a) 7
b) 28
c) 14
d) 56​

Answer 1

product of mean=product of extremes

98×x=8×343

x=(8×343)/98

x=(8×49)/14

x=(8×7)/2

x=4×7

x=28

Answer 2

Answer:

x value is option b 28 the answer