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Finding the Fourth Proportional to 62.39, 93.08 and 60.12

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Solution

The fourth proportional to 62.39, 93.08 and 60.12 is: 89.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.39 : 93.08 = 60.12 : x
  2. Step 2: Convert to fraction form
    62.39/93.08 = 60.12/x
  3. Step 3: Cross multiply
    62.39x = 93.08 × 60.12
  4. Step 4: Simplify right side
    62.39x = 5,595.67
  5. Step 5: Solve for x
    x = 5,595.67/62.39
  6. Step 6: Final answer
    x = 89.70

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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.