Finding the Fourth Proportional to 546.74, 819.19 and 384.13
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Solution
The fourth proportional to 546.74, 819.19 and 384.13 is: 575.55
Step by Step Solution
- Step 1: Write the proportion equation
546.74 : 819.19 = 384.13 : x - Step 2: Convert to fraction form
546.74/819.19 = 384.13/x - Step 3: Cross multiply
546.74x = 819.19 × 384.13 - Step 4: Simplify right side
546.74x = 314,675.45 - Step 5: Solve for x
x = 314,675.45/546.74 - Step 6: Final answer
x = 575.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.