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Finding the Fourth Proportional to 329.43, 454.59 and 182.05

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Solution

The fourth proportional to 329.43, 454.59 and 182.05 is: 251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.43 : 454.59 = 182.05 : x
  2. Step 2: Convert to fraction form
    329.43/454.59 = 182.05/x
  3. Step 3: Cross multiply
    329.43x = 454.59 × 182.05
  4. Step 4: Simplify right side
    329.43x = 82,756.97
  5. Step 5: Solve for x
    x = 82,756.97/329.43
  6. Step 6: Final answer
    x = 251.21

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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.