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Finding the Fourth Proportional to 888.33, 1,336.71 and 733.28

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Solution

The fourth proportional to 888.33, 1,336.71 and 733.28 is: 1,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    888.33 : 1,336.71 = 733.28 : x
  2. Step 2: Convert to fraction form
    888.33/1,336.71 = 733.28/x
  3. Step 3: Cross multiply
    888.33x = 1,336.71 × 733.28
  4. Step 4: Simplify right side
    888.33x = 980,182.71
  5. Step 5: Solve for x
    x = 980,182.71/888.33
  6. Step 6: Final answer
    x = 1,103.40

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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.