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Finding the Fourth Proportional to 96.92, 145.29 and 60.26

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Solution

The fourth proportional to 96.92, 145.29 and 60.26 is: 90.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.92 : 145.29 = 60.26 : x
  2. Step 2: Convert to fraction form
    96.92/145.29 = 60.26/x
  3. Step 3: Cross multiply
    96.92x = 145.29 × 60.26
  4. Step 4: Simplify right side
    96.92x = 8,755.18
  5. Step 5: Solve for x
    x = 8,755.18/96.92
  6. Step 6: Final answer
    x = 90.33

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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.