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Finding the Fourth Proportional to 334.14, 461.03 and 229.25

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Solution

The fourth proportional to 334.14, 461.03 and 229.25 is: 316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.14 : 461.03 = 229.25 : x
  2. Step 2: Convert to fraction form
    334.14/461.03 = 229.25/x
  3. Step 3: Cross multiply
    334.14x = 461.03 × 229.25
  4. Step 4: Simplify right side
    334.14x = 105,687.68
  5. Step 5: Solve for x
    x = 105,687.68/334.14
  6. Step 6: Final answer
    x = 316.30

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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.