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Finding the Fourth Proportional to 329.32, 454.44 and 204.96

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Solution

The fourth proportional to 329.32, 454.44 and 204.96 is: 282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.32 : 454.44 = 204.96 : x
  2. Step 2: Convert to fraction form
    329.32/454.44 = 204.96/x
  3. Step 3: Cross multiply
    329.32x = 454.44 × 204.96
  4. Step 4: Simplify right side
    329.32x = 93,142.02
  5. Step 5: Solve for x
    x = 93,142.02/329.32
  6. Step 6: Final answer
    x = 282.83

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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.