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Finding the Fourth Proportional to 240.46, 332.02 and 147.25

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Solution

The fourth proportional to 240.46, 332.02 and 147.25 is: 203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.46 : 332.02 = 147.25 : x
  2. Step 2: Convert to fraction form
    240.46/332.02 = 147.25/x
  3. Step 3: Cross multiply
    240.46x = 332.02 × 147.25
  4. Step 4: Simplify right side
    240.46x = 48,891.08
  5. Step 5: Solve for x
    x = 48,891.08/240.46
  6. Step 6: Final answer
    x = 203.33

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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.