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Finding the Fourth Proportional to 95.22, 143.07 and 88.85

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Solution

The fourth proportional to 95.22, 143.07 and 88.85 is: 133.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.22 : 143.07 = 88.85 : x
  2. Step 2: Convert to fraction form
    95.22/143.07 = 88.85/x
  3. Step 3: Cross multiply
    95.22x = 143.07 × 88.85
  4. Step 4: Simplify right side
    95.22x = 12,711.77
  5. Step 5: Solve for x
    x = 12,711.77/95.22
  6. Step 6: Final answer
    x = 133.50

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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.