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Finding the Fourth Proportional to 576.36, 862.92 and 301.84

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Solution

The fourth proportional to 576.36, 862.92 and 301.84 is: 451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.36 : 862.92 = 301.84 : x
  2. Step 2: Convert to fraction form
    576.36/862.92 = 301.84/x
  3. Step 3: Cross multiply
    576.36x = 862.92 × 301.84
  4. Step 4: Simplify right side
    576.36x = 260,463.77
  5. Step 5: Solve for x
    x = 260,463.77/576.36
  6. Step 6: Final answer
    x = 451.91

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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.