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Finding the Fourth Proportional to 881.92, 1,322.96 and 334.11

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Solution

The fourth proportional to 881.92, 1,322.96 and 334.11 is: 501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    881.92 : 1,322.96 = 334.11 : x
  2. Step 2: Convert to fraction form
    881.92/1,322.96 = 334.11/x
  3. Step 3: Cross multiply
    881.92x = 1,322.96 × 334.11
  4. Step 4: Simplify right side
    881.92x = 442,010.95
  5. Step 5: Solve for x
    x = 442,010.95/881.92
  6. Step 6: Final answer
    x = 501.19

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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.