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Finding the Fourth Proportional to 244.62, 366.66 and 147.15

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Solution

The fourth proportional to 244.62, 366.66 and 147.15 is: 220.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.62 : 366.66 = 147.15 : x
  2. Step 2: Convert to fraction form
    244.62/366.66 = 147.15/x
  3. Step 3: Cross multiply
    244.62x = 366.66 × 147.15
  4. Step 4: Simplify right side
    244.62x = 53,954.02
  5. Step 5: Solve for x
    x = 53,954.02/244.62
  6. Step 6: Final answer
    x = 220.56

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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.