Finding the Fourth Proportional to 952, 1,313.84 and 538.08
Calculator
Solution
The fourth proportional to 952, 1,313.84 and 538.08 is: 742.60
Step by Step Solution
- Step 1: Write the proportion equation
952 : 1,313.84 = 538.08 : x - Step 2: Convert to fraction form
952/1,313.84 = 538.08/x - Step 3: Cross multiply
952x = 1,313.84 × 538.08 - Step 4: Simplify right side
952x = 706,951.03 - Step 5: Solve for x
x = 706,951.03/952 - Step 6: Final answer
x = 742.60
Related Problems
Find fourth proportional to 476, 656.92 and 269.04
Half scale
Find fourth proportional to 1,904, 2,627.68 and 1,076.16
Double scale
Find fourth proportional to 953, 1,315.22 and 539.08
Similar ratio
Find fourth proportional to 1,428, 1,970.76 and 807.12
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.