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Finding the Fourth Proportional to 882.65, 1,320.56 and 758.27

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Solution

The fourth proportional to 882.65, 1,320.56 and 758.27 is: 1,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.65 : 1,320.56 = 758.27 : x
  2. Step 2: Convert to fraction form
    882.65/1,320.56 = 758.27/x
  3. Step 3: Cross multiply
    882.65x = 1,320.56 × 758.27
  4. Step 4: Simplify right side
    882.65x = 1,001,337.24
  5. Step 5: Solve for x
    x = 1,001,337.24/882.65
  6. Step 6: Final answer
    x = 1,134.47

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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.