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Finding the Fourth Proportional to 59.62, 81.14 and 59.36

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Solution

The fourth proportional to 59.62, 81.14 and 59.36 is: 80.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.62 : 81.14 = 59.36 : x
  2. Step 2: Convert to fraction form
    59.62/81.14 = 59.36/x
  3. Step 3: Cross multiply
    59.62x = 81.14 × 59.36
  4. Step 4: Simplify right side
    59.62x = 4,816.47
  5. Step 5: Solve for x
    x = 4,816.47/59.62
  6. Step 6: Final answer
    x = 80.79

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.