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Finding the Fourth Proportional to 94.54, 141.10 and 88.39

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Solution

The fourth proportional to 94.54, 141.10 and 88.39 is: 131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.54 : 141.10 = 88.39 : x
  2. Step 2: Convert to fraction form
    94.54/141.10 = 88.39/x
  3. Step 3: Cross multiply
    94.54x = 141.10 × 88.39
  4. Step 4: Simplify right side
    94.54x = 12,471.26
  5. Step 5: Solve for x
    x = 12,471.26/94.54
  6. Step 6: Final answer
    x = 131.92

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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.