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Finding the Fourth Proportional to 146.85, 219.92 and 101.19

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Solution

The fourth proportional to 146.85, 219.92 and 101.19 is: 151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146.85 : 219.92 = 101.19 : x
  2. Step 2: Convert to fraction form
    146.85/219.92 = 101.19/x
  3. Step 3: Cross multiply
    146.85x = 219.92 × 101.19
  4. Step 4: Simplify right side
    146.85x = 22,253.70
  5. Step 5: Solve for x
    x = 22,253.70/146.85
  6. Step 6: Final answer
    x = 151.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.