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Finding the Fourth Proportional to 881.33, 1,322.27 and 604.87

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Solution

The fourth proportional to 881.33, 1,322.27 and 604.87 is: 907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    881.33 : 1,322.27 = 604.87 : x
  2. Step 2: Convert to fraction form
    881.33/1,322.27 = 604.87/x
  3. Step 3: Cross multiply
    881.33x = 1,322.27 × 604.87
  4. Step 4: Simplify right side
    881.33x = 799,800.80
  5. Step 5: Solve for x
    x = 799,800.80/881.33
  6. Step 6: Final answer
    x = 907.49

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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.