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Finding the Fourth Proportional to 444.75, 667.35 and 337.20

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Solution

The fourth proportional to 444.75, 667.35 and 337.20 is: 505.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.75 : 667.35 = 337.20 : x
  2. Step 2: Convert to fraction form
    444.75/667.35 = 337.20/x
  3. Step 3: Cross multiply
    444.75x = 667.35 × 337.20
  4. Step 4: Simplify right side
    444.75x = 225,030.42
  5. Step 5: Solve for x
    x = 225,030.42/444.75
  6. Step 6: Final answer
    x = 505.97

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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.