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Finding the Fourth Proportional to 62.72, 93.53 and 59.13

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Solution

The fourth proportional to 62.72, 93.53 and 59.13 is: 88.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.72 : 93.53 = 59.13 : x
  2. Step 2: Convert to fraction form
    62.72/93.53 = 59.13/x
  3. Step 3: Cross multiply
    62.72x = 93.53 × 59.13
  4. Step 4: Simplify right side
    62.72x = 5,530.41
  5. Step 5: Solve for x
    x = 5,530.41/62.72
  6. Step 6: Final answer
    x = 88.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.