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Finding the Fourth Proportional to 329.41, 454.62 and 250.95

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Solution

The fourth proportional to 329.41, 454.62 and 250.95 is: 346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.41 : 454.62 = 250.95 : x
  2. Step 2: Convert to fraction form
    329.41/454.62 = 250.95/x
  3. Step 3: Cross multiply
    329.41x = 454.62 × 250.95
  4. Step 4: Simplify right side
    329.41x = 114,086.89
  5. Step 5: Solve for x
    x = 114,086.89/329.41
  6. Step 6: Final answer
    x = 346.34

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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.