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Finding the Fourth Proportional to 329.94, 494.57 and 167.27

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Solution

The fourth proportional to 329.94, 494.57 and 167.27 is: 250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.94 : 494.57 = 167.27 : x
  2. Step 2: Convert to fraction form
    329.94/494.57 = 167.27/x
  3. Step 3: Cross multiply
    329.94x = 494.57 × 167.27
  4. Step 4: Simplify right side
    329.94x = 82,724.67
  5. Step 5: Solve for x
    x = 82,724.67/329.94
  6. Step 6: Final answer
    x = 250.73

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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.