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Finding the Fourth Proportional to 59.38, 88.92 and 49.73

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Solution

The fourth proportional to 59.38, 88.92 and 49.73 is: 74.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.38 : 88.92 = 49.73 : x
  2. Step 2: Convert to fraction form
    59.38/88.92 = 49.73/x
  3. Step 3: Cross multiply
    59.38x = 88.92 × 49.73
  4. Step 4: Simplify right side
    59.38x = 4,421.55
  5. Step 5: Solve for x
    x = 4,421.55/59.38
  6. Step 6: Final answer
    x = 74.47

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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.