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Finding the Fourth Proportional to 59.03, 81.49 and 38.03

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Solution

The fourth proportional to 59.03, 81.49 and 38.03 is: 52.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.03 : 81.49 = 38.03 : x
  2. Step 2: Convert to fraction form
    59.03/81.49 = 38.03/x
  3. Step 3: Cross multiply
    59.03x = 81.49 × 38.03
  4. Step 4: Simplify right side
    59.03x = 3,098.87
  5. Step 5: Solve for x
    x = 3,098.87/59.03
  6. Step 6: Final answer
    x = 52.50

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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.