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Finding the Fourth Proportional to 240.92, 332.48 and 158.25

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Solution

The fourth proportional to 240.92, 332.48 and 158.25 is: 218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.92 : 332.48 = 158.25 : x
  2. Step 2: Convert to fraction form
    240.92/332.48 = 158.25/x
  3. Step 3: Cross multiply
    240.92x = 332.48 × 158.25
  4. Step 4: Simplify right side
    240.92x = 52,614.96
  5. Step 5: Solve for x
    x = 52,614.96/240.92
  6. Step 6: Final answer
    x = 218.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.