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Finding the Fourth Proportional to 106.16, 158.04 and 101.97

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Solution

The fourth proportional to 106.16, 158.04 and 101.97 is: 151.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.16 : 158.04 = 101.97 : x
  2. Step 2: Convert to fraction form
    106.16/158.04 = 101.97/x
  3. Step 3: Cross multiply
    106.16x = 158.04 × 101.97
  4. Step 4: Simplify right side
    106.16x = 16,115.34
  5. Step 5: Solve for x
    x = 16,115.34/106.16
  6. Step 6: Final answer
    x = 151.81

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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.