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Finding the Fourth Proportional to 363, 544.50 and 146.73

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Solution

The fourth proportional to 363, 544.50 and 146.73 is: 220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363 : 544.50 = 146.73 : x
  2. Step 2: Convert to fraction form
    363/544.50 = 146.73/x
  3. Step 3: Cross multiply
    363x = 544.50 × 146.73
  4. Step 4: Simplify right side
    363x = 79,894.49
  5. Step 5: Solve for x
    x = 79,894.49/363
  6. Step 6: Final answer
    x = 220.10

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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.