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Finding the Fourth Proportional to 62.48, 94.28 and 59.98

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Solution

The fourth proportional to 62.48, 94.28 and 59.98 is: 90.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.48 : 94.28 = 59.98 : x
  2. Step 2: Convert to fraction form
    62.48/94.28 = 59.98/x
  3. Step 3: Cross multiply
    62.48x = 94.28 × 59.98
  4. Step 4: Simplify right side
    62.48x = 5,654.91
  5. Step 5: Solve for x
    x = 5,654.91/62.48
  6. Step 6: Final answer
    x = 90.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.