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Finding the Fourth Proportional to 887.00, 1,329.51 and 301.46

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Solution

The fourth proportional to 887.00, 1,329.51 and 301.46 is: 451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.00 : 1,329.51 = 301.46 : x
  2. Step 2: Convert to fraction form
    887.00/1,329.51 = 301.46/x
  3. Step 3: Cross multiply
    887.00x = 1,329.51 × 301.46
  4. Step 4: Simplify right side
    887.00x = 400,789.36
  5. Step 5: Solve for x
    x = 400,789.36/887.00
  6. Step 6: Final answer
    x = 451.85

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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.