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Finding the Fourth Proportional to 441.18, 658.80 and 360.18

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Solution

The fourth proportional to 441.18, 658.80 and 360.18 is: 537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.18 : 658.80 = 360.18 : x
  2. Step 2: Convert to fraction form
    441.18/658.80 = 360.18/x
  3. Step 3: Cross multiply
    441.18x = 658.80 × 360.18
  4. Step 4: Simplify right side
    441.18x = 237,286.58
  5. Step 5: Solve for x
    x = 237,286.58/441.18
  6. Step 6: Final answer
    x = 537.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.