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Finding the Fourth Proportional to 881.52, 1,320.48 and 588.48

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Solution

The fourth proportional to 881.52, 1,320.48 and 588.48 is: 881.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    881.52 : 1,320.48 = 588.48 : x
  2. Step 2: Convert to fraction form
    881.52/1,320.48 = 588.48/x
  3. Step 3: Cross multiply
    881.52x = 1,320.48 × 588.48
  4. Step 4: Simplify right side
    881.52x = 777,076.07
  5. Step 5: Solve for x
    x = 777,076.07/881.52
  6. Step 6: Final answer
    x = 881.52

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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.