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Finding the Fourth Proportional to 882.56, 1,321.97 and 573.50

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Solution

The fourth proportional to 882.56, 1,321.97 and 573.50 is: 859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.56 : 1,321.97 = 573.50 : x
  2. Step 2: Convert to fraction form
    882.56/1,321.97 = 573.50/x
  3. Step 3: Cross multiply
    882.56x = 1,321.97 × 573.50
  4. Step 4: Simplify right side
    882.56x = 758,150.23
  5. Step 5: Solve for x
    x = 758,150.23/882.56
  6. Step 6: Final answer
    x = 859.03

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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.