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Finding the Fourth Proportional to 487.67, 731.35 and 244.03

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Solution

The fourth proportional to 487.67, 731.35 and 244.03 is: 365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    487.67 : 731.35 = 244.03 : x
  2. Step 2: Convert to fraction form
    487.67/731.35 = 244.03/x
  3. Step 3: Cross multiply
    487.67x = 731.35 × 244.03
  4. Step 4: Simplify right side
    487.67x = 178,471.64
  5. Step 5: Solve for x
    x = 178,471.64/487.67
  6. Step 6: Final answer
    x = 365.97

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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.