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Finding the Fourth Proportional to 576.32, 864.60 and 252.08

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Solution

The fourth proportional to 576.32, 864.60 and 252.08 is: 378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.32 : 864.60 = 252.08 : x
  2. Step 2: Convert to fraction form
    576.32/864.60 = 252.08/x
  3. Step 3: Cross multiply
    576.32x = 864.60 × 252.08
  4. Step 4: Simplify right side
    576.32x = 217,948.37
  5. Step 5: Solve for x
    x = 217,948.37/576.32
  6. Step 6: Final answer
    x = 378.17

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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.