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Finding the Fourth Proportional to 95.57, 144.09 and 88.01

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Solution

The fourth proportional to 95.57, 144.09 and 88.01 is: 132.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.57 : 144.09 = 88.01 : x
  2. Step 2: Convert to fraction form
    95.57/144.09 = 88.01/x
  3. Step 3: Cross multiply
    95.57x = 144.09 × 88.01
  4. Step 4: Simplify right side
    95.57x = 12,680.64
  5. Step 5: Solve for x
    x = 12,680.64/95.57
  6. Step 6: Final answer
    x = 132.69

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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.