Finding the Fourth Proportional to 547.26, 819.18 and 538.80
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Solution
The fourth proportional to 547.26, 819.18 and 538.80 is: 806.52
Step by Step Solution
- Step 1: Write the proportion equation
547.26 : 819.18 = 538.80 : x - Step 2: Convert to fraction form
547.26/819.18 = 538.80/x - Step 3: Cross multiply
547.26x = 819.18 × 538.80 - Step 4: Simplify right side
547.26x = 441,374.18 - Step 5: Solve for x
x = 441,374.18/547.26 - Step 6: Final answer
x = 806.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.