Finding the Fourth Proportional to 516.64, 714 and 508
Calculator
Solution
The fourth proportional to 516.64, 714 and 508 is: 702.06
Step by Step Solution
- Step 1: Write the proportion equation
516.64 : 714 = 508 : x - Step 2: Convert to fraction form
516.64/714 = 508/x - Step 3: Cross multiply
516.64x = 714 × 508 - Step 4: Simplify right side
516.64x = 362,712 - Step 5: Solve for x
x = 362,712/516.64 - Step 6: Final answer
x = 702.06
Related Problems
Find fourth proportional to 258.32, 357 and 254
Half scale
Find fourth proportional to 1,033.28, 1,428 and 1,016
Double scale
Find fourth proportional to 517.64, 715.38 and 509
Similar ratio
Find fourth proportional to 774.96, 1,071 and 762
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.