Finding the Fourth Proportional to 316.11, 473.71 and 224.99
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Solution
The fourth proportional to 316.11, 473.71 and 224.99 is: 337.16
Step by Step Solution
- Step 1: Write the proportion equation
316.11 : 473.71 = 224.99 : x - Step 2: Convert to fraction form
316.11/473.71 = 224.99/x - Step 3: Cross multiply
316.11x = 473.71 × 224.99 - Step 4: Simplify right side
316.11x = 106,580.01 - Step 5: Solve for x
x = 106,580.01/316.11 - Step 6: Final answer
x = 337.16
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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.