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Finding the Fourth Proportional to 362.91, 544.68 and 146.49

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Solution

The fourth proportional to 362.91, 544.68 and 146.49 is: 219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.91 : 544.68 = 146.49 : x
  2. Step 2: Convert to fraction form
    362.91/544.68 = 146.49/x
  3. Step 3: Cross multiply
    362.91x = 544.68 × 146.49
  4. Step 4: Simplify right side
    362.91x = 79,790.17
  5. Step 5: Solve for x
    x = 79,790.17/362.91
  6. Step 6: Final answer
    x = 219.86

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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.