Finding the Fourth Proportional to 324.92, 487.26 and 108.38
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Solution
The fourth proportional to 324.92, 487.26 and 108.38 is: 162.53
Step by Step Solution
- Step 1: Write the proportion equation
324.92 : 487.26 = 108.38 : x - Step 2: Convert to fraction form
324.92/487.26 = 108.38/x - Step 3: Cross multiply
324.92x = 487.26 × 108.38 - Step 4: Simplify right side
324.92x = 52,809.24 - Step 5: Solve for x
x = 52,809.24/324.92 - Step 6: Final answer
x = 162.53
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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.