Question

1) If 2, x , 8 are in continued proportion. Find x.
2)Find the fourth proportional to 8 , 5 , 40.

fast pls with explnation

Answer 1

Answer:

1) 2:x::x:8

=2x = 8×2

=2x = 16

=x = 16/2

=x = 8

2) let the fourth proportion be x

= 8:5::40:x

= 8×x=5×40

= 8x = 5×40

= x = 5×40/8

= x = 200/8

= x = 25.

Answer 2

Answer:

X = 25.......... ans of the question