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Finding the Fourth Proportional to 110.52, 152.22 and 94.95

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Solution

The fourth proportional to 110.52, 152.22 and 94.95 is: 130.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.52 : 152.22 = 94.95 : x
  2. Step 2: Convert to fraction form
    110.52/152.22 = 94.95/x
  3. Step 3: Cross multiply
    110.52x = 152.22 × 94.95
  4. Step 4: Simplify right side
    110.52x = 14,453.29
  5. Step 5: Solve for x
    x = 14,453.29/110.52
  6. Step 6: Final answer
    x = 130.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.