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Finding the Fourth Proportional to 444.35, 613.24 and 245.18

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Solution

The fourth proportional to 444.35, 613.24 and 245.18 is: 338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.35 : 613.24 = 245.18 : x
  2. Step 2: Convert to fraction form
    444.35/613.24 = 245.18/x
  3. Step 3: Cross multiply
    444.35x = 613.24 × 245.18
  4. Step 4: Simplify right side
    444.35x = 150,355.41
  5. Step 5: Solve for x
    x = 150,355.41/444.35
  6. Step 6: Final answer
    x = 338.37

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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.