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Finding the Fourth Proportional to 888.27, 1,333.22 and 449.82

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Solution

The fourth proportional to 888.27, 1,333.22 and 449.82 is: 675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.27 : 1,333.22 = 449.82 : x
  2. Step 2: Convert to fraction form
    888.27/1,333.22 = 449.82/x
  3. Step 3: Cross multiply
    888.27x = 1,333.22 × 449.82
  4. Step 4: Simplify right side
    888.27x = 599,706.77
  5. Step 5: Solve for x
    x = 599,706.77/888.27
  6. Step 6: Final answer
    x = 675.14

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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.