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Finding the Fourth Proportional to 579.02, 868.87 and 232.51

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Solution

The fourth proportional to 579.02, 868.87 and 232.51 is: 348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.02 : 868.87 = 232.51 : x
  2. Step 2: Convert to fraction form
    579.02/868.87 = 232.51/x
  3. Step 3: Cross multiply
    579.02x = 868.87 × 232.51
  4. Step 4: Simplify right side
    579.02x = 202,020.96
  5. Step 5: Solve for x
    x = 202,020.96/579.02
  6. Step 6: Final answer
    x = 348.90

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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.