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Finding the Fourth Proportional to 588.38, 882.60 and 218.28

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Solution

The fourth proportional to 588.38, 882.60 and 218.28 is: 327.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.38 : 882.60 = 218.28 : x
  2. Step 2: Convert to fraction form
    588.38/882.60 = 218.28/x
  3. Step 3: Cross multiply
    588.38x = 882.60 × 218.28
  4. Step 4: Simplify right side
    588.38x = 192,653.93
  5. Step 5: Solve for x
    x = 192,653.93/588.38
  6. Step 6: Final answer
    x = 327.43

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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.