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Finding the Fourth Proportional to 580.32, 868.56 and 497.70

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Solution

The fourth proportional to 580.32, 868.56 and 497.70 is: 744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    580.32 : 868.56 = 497.70 : x
  2. Step 2: Convert to fraction form
    580.32/868.56 = 497.70/x
  3. Step 3: Cross multiply
    580.32x = 868.56 × 497.70
  4. Step 4: Simplify right side
    580.32x = 432,282.31
  5. Step 5: Solve for x
    x = 432,282.31/580.32
  6. Step 6: Final answer
    x = 744.90

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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.