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Finding the Fourth Proportional to 583.31, 874.17 and 323.30

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Solution

The fourth proportional to 583.31, 874.17 and 323.30 is: 484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.31 : 874.17 = 323.30 : x
  2. Step 2: Convert to fraction form
    583.31/874.17 = 323.30/x
  3. Step 3: Cross multiply
    583.31x = 874.17 × 323.30
  4. Step 4: Simplify right side
    583.31x = 282,614.79
  5. Step 5: Solve for x
    x = 282,614.79/583.31
  6. Step 6: Final answer
    x = 484.51

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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.