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Finding the Fourth Proportional to 94.92, 142.50 and 60.83

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Solution

The fourth proportional to 94.92, 142.50 and 60.83 is: 91.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.92 : 142.50 = 60.83 : x
  2. Step 2: Convert to fraction form
    94.92/142.50 = 60.83/x
  3. Step 3: Cross multiply
    94.92x = 142.50 × 60.83
  4. Step 4: Simplify right side
    94.92x = 8,668.63
  5. Step 5: Solve for x
    x = 8,668.63/94.92
  6. Step 6: Final answer
    x = 91.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.