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Finding the Fourth Proportional to 880.44, 1,321.25 and 588.27

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Solution

The fourth proportional to 880.44, 1,321.25 and 588.27 is: 882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    880.44 : 1,321.25 = 588.27 : x
  2. Step 2: Convert to fraction form
    880.44/1,321.25 = 588.27/x
  3. Step 3: Cross multiply
    880.44x = 1,321.25 × 588.27
  4. Step 4: Simplify right side
    880.44x = 777,248.80
  5. Step 5: Solve for x
    x = 777,248.80/880.44
  6. Step 6: Final answer
    x = 882.80

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1.5x scale

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.