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Finding the Fourth Proportional to 329.05, 454.07 and 181.69

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Solution

The fourth proportional to 329.05, 454.07 and 181.69 is: 250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.05 : 454.07 = 181.69 : x
  2. Step 2: Convert to fraction form
    329.05/454.07 = 181.69/x
  3. Step 3: Cross multiply
    329.05x = 454.07 × 181.69
  4. Step 4: Simplify right side
    329.05x = 82,501.85
  5. Step 5: Solve for x
    x = 82,501.85/329.05
  6. Step 6: Final answer
    x = 250.72

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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.