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Finding the Fourth Proportional to 337.43, 459.78 and 329.94

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Solution

The fourth proportional to 337.43, 459.78 and 329.94 is: 449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.43 : 459.78 = 329.94 : x
  2. Step 2: Convert to fraction form
    337.43/459.78 = 329.94/x
  3. Step 3: Cross multiply
    337.43x = 459.78 × 329.94
  4. Step 4: Simplify right side
    337.43x = 151,698.58
  5. Step 5: Solve for x
    x = 151,698.58/337.43
  6. Step 6: Final answer
    x = 449.57

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.