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Finding the Fourth Proportional to 344.59, 517.49 and 330.41

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Solution

The fourth proportional to 344.59, 517.49 and 330.41 is: 496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.59 : 517.49 = 330.41 : x
  2. Step 2: Convert to fraction form
    344.59/517.49 = 330.41/x
  3. Step 3: Cross multiply
    344.59x = 517.49 × 330.41
  4. Step 4: Simplify right side
    344.59x = 170,983.87
  5. Step 5: Solve for x
    x = 170,983.87/344.59
  6. Step 6: Final answer
    x = 496.20

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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.