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Finding the Fourth Proportional to 444.62, 667.48 and 354.44

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Solution

The fourth proportional to 444.62, 667.48 and 354.44 is: 532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.62 : 667.48 = 354.44 : x
  2. Step 2: Convert to fraction form
    444.62/667.48 = 354.44/x
  3. Step 3: Cross multiply
    444.62x = 667.48 × 354.44
  4. Step 4: Simplify right side
    444.62x = 236,581.61
  5. Step 5: Solve for x
    x = 236,581.61/444.62
  6. Step 6: Final answer
    x = 532.10

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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.