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Finding the Fourth Proportional to 444.44, 613.92 and 357.44

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Solution

The fourth proportional to 444.44, 613.92 and 357.44 is: 493.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.44 : 613.92 = 357.44 : x
  2. Step 2: Convert to fraction form
    444.44/613.92 = 357.44/x
  3. Step 3: Cross multiply
    444.44x = 613.92 × 357.44
  4. Step 4: Simplify right side
    444.44x = 219,439.56
  5. Step 5: Solve for x
    x = 219,439.56/444.44
  6. Step 6: Final answer
    x = 493.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.