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Finding the Fourth Proportional to 576.61, 864.72 and 251.89

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Solution

The fourth proportional to 576.61, 864.72 and 251.89 is: 377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    576.61 : 864.72 = 251.89 : x
  2. Step 2: Convert to fraction form
    576.61/864.72 = 251.89/x
  3. Step 3: Cross multiply
    576.61x = 864.72 × 251.89
  4. Step 4: Simplify right side
    576.61x = 217,814.32
  5. Step 5: Solve for x
    x = 217,814.32/576.61
  6. Step 6: Final answer
    x = 377.75

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