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Finding the Fourth Proportional to 883.46, 1,324.82 and 335.34

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Solution

The fourth proportional to 883.46, 1,324.82 and 335.34 is: 502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    883.46 : 1,324.82 = 335.34 : x
  2. Step 2: Convert to fraction form
    883.46/1,324.82 = 335.34/x
  3. Step 3: Cross multiply
    883.46x = 1,324.82 × 335.34
  4. Step 4: Simplify right side
    883.46x = 444,265.14
  5. Step 5: Solve for x
    x = 444,265.14/883.46
  6. Step 6: Final answer
    x = 502.87

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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.