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Finding the Fourth Proportional to 311.01, 466.73 and 234.13

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Solution

The fourth proportional to 311.01, 466.73 and 234.13 is: 351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    311.01 : 466.73 = 234.13 : x
  2. Step 2: Convert to fraction form
    311.01/466.73 = 234.13/x
  3. Step 3: Cross multiply
    311.01x = 466.73 × 234.13
  4. Step 4: Simplify right side
    311.01x = 109,274.91
  5. Step 5: Solve for x
    x = 109,274.91/311.01
  6. Step 6: Final answer
    x = 351.36

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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.