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Finding the Fourth Proportional to 588.28, 882.57 and 314.15

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Solution

The fourth proportional to 588.28, 882.57 and 314.15 is: 471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.28 : 882.57 = 314.15 : x
  2. Step 2: Convert to fraction form
    588.28/882.57 = 314.15/x
  3. Step 3: Cross multiply
    588.28x = 882.57 × 314.15
  4. Step 4: Simplify right side
    588.28x = 277,259.37
  5. Step 5: Solve for x
    x = 277,259.37/588.28
  6. Step 6: Final answer
    x = 471.31

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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.