Finding the Fourth Proportional to 382.60, 574.17 and 218.08
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Solution
The fourth proportional to 382.60, 574.17 and 218.08 is: 327.27
Step by Step Solution
- Step 1: Write the proportion equation
382.60 : 574.17 = 218.08 : x - Step 2: Convert to fraction form
382.60/574.17 = 218.08/x - Step 3: Cross multiply
382.60x = 574.17 × 218.08 - Step 4: Simplify right side
382.60x = 125,214.99 - Step 5: Solve for x
x = 125,214.99/382.60 - Step 6: Final answer
x = 327.27
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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.