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Finding the Fourth Proportional to 579.50, 869.05 and 232.73

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Solution

The fourth proportional to 579.50, 869.05 and 232.73 is: 349.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.50 : 869.05 = 232.73 : x
  2. Step 2: Convert to fraction form
    579.50/869.05 = 232.73/x
  3. Step 3: Cross multiply
    579.50x = 869.05 × 232.73
  4. Step 4: Simplify right side
    579.50x = 202,254.01
  5. Step 5: Solve for x
    x = 202,254.01/579.50
  6. Step 6: Final answer
    x = 349.01

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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.