Finding the Fourth Proportional to 519.01, 716.21 and 282.95
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Solution
The fourth proportional to 519.01, 716.21 and 282.95 is: 390.46
Step by Step Solution
- Step 1: Write the proportion equation
519.01 : 716.21 = 282.95 : x - Step 2: Convert to fraction form
519.01/716.21 = 282.95/x - Step 3: Cross multiply
519.01x = 716.21 × 282.95 - Step 4: Simplify right side
519.01x = 202,651.62 - Step 5: Solve for x
x = 202,651.62/519.01 - Step 6: Final answer
x = 390.46
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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.