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Finding the Fourth Proportional to 337.34, 466 and 321.14

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Solution

The fourth proportional to 337.34, 466 and 321.14 is: 443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    337.34 : 466 = 321.14 : x
  2. Step 2: Convert to fraction form
    337.34/466 = 321.14/x
  3. Step 3: Cross multiply
    337.34x = 466 × 321.14
  4. Step 4: Simplify right side
    337.34x = 149,651.24
  5. Step 5: Solve for x
    x = 149,651.24/337.34
  6. Step 6: Final answer
    x = 443.62

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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.