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Finding the Fourth Proportional to 888.74, 1,333.10 and 733.22

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Solution

The fourth proportional to 888.74, 1,333.10 and 733.22 is: 1,099.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.74 : 1,333.10 = 733.22 : x
  2. Step 2: Convert to fraction form
    888.74/1,333.10 = 733.22/x
  3. Step 3: Cross multiply
    888.74x = 1,333.10 × 733.22
  4. Step 4: Simplify right side
    888.74x = 977,455.58
  5. Step 5: Solve for x
    x = 977,455.58/888.74
  6. Step 6: Final answer
    x = 1,099.82

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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.