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Finding the Fourth Proportional to 95.02, 143.24 and 88.75

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Solution

The fourth proportional to 95.02, 143.24 and 88.75 is: 133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.02 : 143.24 = 88.75 : x
  2. Step 2: Convert to fraction form
    95.02/143.24 = 88.75/x
  3. Step 3: Cross multiply
    95.02x = 143.24 × 88.75
  4. Step 4: Simplify right side
    95.02x = 12,712.55
  5. Step 5: Solve for x
    x = 12,712.55/95.02
  6. Step 6: Final answer
    x = 133.78

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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.