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Finding the Fourth Proportional to 588.28, 880.80 and 443.56

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Solution

The fourth proportional to 588.28, 880.80 and 443.56 is: 664.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.28 : 880.80 = 443.56 : x
  2. Step 2: Convert to fraction form
    588.28/880.80 = 443.56/x
  3. Step 3: Cross multiply
    588.28x = 880.80 × 443.56
  4. Step 4: Simplify right side
    588.28x = 390,687.65
  5. Step 5: Solve for x
    x = 390,687.65/588.28
  6. Step 6: Final answer
    x = 664.12

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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.