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Finding the Fourth Proportional to 588.74, 883.31 and 486.27

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Solution

The fourth proportional to 588.74, 883.31 and 486.27 is: 729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.74 : 883.31 = 486.27 : x
  2. Step 2: Convert to fraction form
    588.74/883.31 = 486.27/x
  3. Step 3: Cross multiply
    588.74x = 883.31 × 486.27
  4. Step 4: Simplify right side
    588.74x = 429,524.72
  5. Step 5: Solve for x
    x = 429,524.72/588.74
  6. Step 6: Final answer
    x = 729.57

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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.