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Finding the Fourth Proportional to 334.52, 461.48 and 210.11

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Solution

The fourth proportional to 334.52, 461.48 and 210.11 is: 289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.52 : 461.48 = 210.11 : x
  2. Step 2: Convert to fraction form
    334.52/461.48 = 210.11/x
  3. Step 3: Cross multiply
    334.52x = 461.48 × 210.11
  4. Step 4: Simplify right side
    334.52x = 96,958.20
  5. Step 5: Solve for x
    x = 96,958.20/334.52
  6. Step 6: Final answer
    x = 289.85

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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.