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Finding the Fourth Proportional to 362.97, 544.45 and 146.55

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Solution

The fourth proportional to 362.97, 544.45 and 146.55 is: 219.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.97 : 544.45 = 146.55 : x
  2. Step 2: Convert to fraction form
    362.97/544.45 = 146.55/x
  3. Step 3: Cross multiply
    362.97x = 544.45 × 146.55
  4. Step 4: Simplify right side
    362.97x = 79,789.15
  5. Step 5: Solve for x
    x = 79,789.15/362.97
  6. Step 6: Final answer
    x = 219.82

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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.