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Finding the Fourth Proportional to 95.60, 142.51 and 88.58

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Solution

The fourth proportional to 95.60, 142.51 and 88.58 is: 132.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.60 : 142.51 = 88.58 : x
  2. Step 2: Convert to fraction form
    95.60/142.51 = 88.58/x
  3. Step 3: Cross multiply
    95.60x = 142.51 × 88.58
  4. Step 4: Simplify right side
    95.60x = 12,623.54
  5. Step 5: Solve for x
    x = 12,623.54/95.60
  6. Step 6: Final answer
    x = 132.05

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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.