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Finding the Fourth Proportional to 887.33, 1,335.21 and 732.28

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Solution

The fourth proportional to 887.33, 1,335.21 and 732.28 is: 1,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.33 : 1,335.21 = 732.28 : x
  2. Step 2: Convert to fraction form
    887.33/1,335.21 = 732.28/x
  3. Step 3: Cross multiply
    887.33x = 1,335.21 × 732.28
  4. Step 4: Simplify right side
    887.33x = 977,740.90
  5. Step 5: Solve for x
    x = 977,740.90/887.33
  6. Step 6: Final answer
    x = 1,101.90

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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.