Find the fourth proportional to the given numbers.
(ii) 4 , 12 and 6
(iii) 1.6 , 3.2 and 4.8
(v) 2hr , 1hr 30 min and 6hr
Hope I get the answer soon and correct pls give in full process.
(ii) 4 , 12 and 6
(iii) 1.6 , 3.2 and 4.8
(v) 2hr , 1hr 30 min and 6hr
Hope I get the answer soon and correct pls give in full process.
Answers & Comments
Answer:
Number-2 is correct ans
Answer:Let the fourth proportional be
x
.
∴
3
:
12
=
4
:
x
[
∵
Ratio of first two terms
=
Ratio of last two terms ]
⇒
3
12
=
4
x
⇒
x
=
4
×
12
3
=
16
Hence, the fourth proportion is
16
.
4
x
⇒x=4×123=16
Hence, the fourth proportion is 16.