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Finding the Fourth Proportional to 588.61, 883.20 and 263.89

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Solution

The fourth proportional to 588.61, 883.20 and 263.89 is: 395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.61 : 883.20 = 263.89 : x
  2. Step 2: Convert to fraction form
    588.61/883.20 = 263.89/x
  3. Step 3: Cross multiply
    588.61x = 883.20 × 263.89
  4. Step 4: Simplify right side
    588.61x = 233,067.65
  5. Step 5: Solve for x
    x = 233,067.65/588.61
  6. Step 6: Final answer
    x = 395.96

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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.