Finding the Fourth Proportional to 317.24, 475.82 and 163.08
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Solution
The fourth proportional to 317.24, 475.82 and 163.08 is: 244.60
Step by Step Solution
- Step 1: Write the proportion equation
317.24 : 475.82 = 163.08 : x - Step 2: Convert to fraction form
317.24/475.82 = 163.08/x - Step 3: Cross multiply
317.24x = 475.82 × 163.08 - Step 4: Simplify right side
317.24x = 77,596.73 - Step 5: Solve for x
x = 77,596.73/317.24 - Step 6: Final answer
x = 244.60
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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.