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Finding the Fourth Proportional to 576.06, 862.24 and 301.78

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Solution

The fourth proportional to 576.06, 862.24 and 301.78 is: 451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.06 : 862.24 = 301.78 : x
  2. Step 2: Convert to fraction form
    576.06/862.24 = 301.78/x
  3. Step 3: Cross multiply
    576.06x = 862.24 × 301.78
  4. Step 4: Simplify right side
    576.06x = 260,206.79
  5. Step 5: Solve for x
    x = 260,206.79/576.06
  6. Step 6: Final answer
    x = 451.70

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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.