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Finding the Fourth Proportional to 334.27, 460.61 and 216.11

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Solution

The fourth proportional to 334.27, 460.61 and 216.11 is: 297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.27 : 460.61 = 216.11 : x
  2. Step 2: Convert to fraction form
    334.27/460.61 = 216.11/x
  3. Step 3: Cross multiply
    334.27x = 460.61 × 216.11
  4. Step 4: Simplify right side
    334.27x = 99,542.50
  5. Step 5: Solve for x
    x = 99,542.50/334.27
  6. Step 6: Final answer
    x = 297.79

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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.