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Finding the Fourth Proportional to 363.73, 544.41 and 226.90

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Solution

The fourth proportional to 363.73, 544.41 and 226.90 is: 339.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.73 : 544.41 = 226.90 : x
  2. Step 2: Convert to fraction form
    363.73/544.41 = 226.90/x
  3. Step 3: Cross multiply
    363.73x = 544.41 × 226.90
  4. Step 4: Simplify right side
    363.73x = 123,526.63
  5. Step 5: Solve for x
    x = 123,526.63/363.73
  6. Step 6: Final answer
    x = 339.61

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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.