Finding the Fourth Proportional to 217.13, 325.70 and 63.08
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Solution
The fourth proportional to 217.13, 325.70 and 63.08 is: 94.62
Step by Step Solution
- Step 1: Write the proportion equation
217.13 : 325.70 = 63.08 : x - Step 2: Convert to fraction form
217.13/325.70 = 63.08/x - Step 3: Cross multiply
217.13x = 325.70 × 63.08 - Step 4: Simplify right side
217.13x = 20,543.53 - Step 5: Solve for x
x = 20,543.53/217.13 - Step 6: Final answer
x = 94.62
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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.