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Finding the Fourth Proportional to 104.06, 154.68 and 101.29

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Solution

The fourth proportional to 104.06, 154.68 and 101.29 is: 150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.06 : 154.68 = 101.29 : x
  2. Step 2: Convert to fraction form
    104.06/154.68 = 101.29/x
  3. Step 3: Cross multiply
    104.06x = 154.68 × 101.29
  4. Step 4: Simplify right side
    104.06x = 15,667.54
  5. Step 5: Solve for x
    x = 15,667.54/104.06
  6. Step 6: Final answer
    x = 150.56

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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.