Finding the Fourth Proportional to 382.35, 572.74 and 284.95
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Solution
The fourth proportional to 382.35, 572.74 and 284.95 is: 426.84
Step by Step Solution
- Step 1: Write the proportion equation
382.35 : 572.74 = 284.95 : x - Step 2: Convert to fraction form
382.35/572.74 = 284.95/x - Step 3: Cross multiply
382.35x = 572.74 × 284.95 - Step 4: Simplify right side
382.35x = 163,202.26 - Step 5: Solve for x
x = 163,202.26/382.35 - Step 6: Final answer
x = 426.84
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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.