Finding the Fourth Proportional to 317.14, 475.95 and 154.96
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Solution
The fourth proportional to 317.14, 475.95 and 154.96 is: 232.56
Step by Step Solution
- Step 1: Write the proportion equation
317.14 : 475.95 = 154.96 : x - Step 2: Convert to fraction form
317.14/475.95 = 154.96/x - Step 3: Cross multiply
317.14x = 475.95 × 154.96 - Step 4: Simplify right side
317.14x = 73,753.21 - Step 5: Solve for x
x = 73,753.21/317.14 - Step 6: Final answer
x = 232.56
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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.