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Finding the Fourth Proportional to 441.12, 658.41 and 332.40

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Solution

The fourth proportional to 441.12, 658.41 and 332.40 is: 496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    441.12 : 658.41 = 332.40 : x
  2. Step 2: Convert to fraction form
    441.12/658.41 = 332.40/x
  3. Step 3: Cross multiply
    441.12x = 658.41 × 332.40
  4. Step 4: Simplify right side
    441.12x = 218,855.48
  5. Step 5: Solve for x
    x = 218,855.48/441.12
  6. Step 6: Final answer
    x = 496.14

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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.