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Finding the Fourth Proportional to 95.92, 143.24 and 88.48

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Solution

The fourth proportional to 95.92, 143.24 and 88.48 is: 132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.92 : 143.24 = 88.48 : x
  2. Step 2: Convert to fraction form
    95.92/143.24 = 88.48/x
  3. Step 3: Cross multiply
    95.92x = 143.24 × 88.48
  4. Step 4: Simplify right side
    95.92x = 12,673.88
  5. Step 5: Solve for x
    x = 12,673.88/95.92
  6. Step 6: Final answer
    x = 132.13

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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.