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Finding the Fourth Proportional to 882.68, 1,323.26 and 335.25

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Solution

The fourth proportional to 882.68, 1,323.26 and 335.25 is: 502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.68 : 1,323.26 = 335.25 : x
  2. Step 2: Convert to fraction form
    882.68/1,323.26 = 335.25/x
  3. Step 3: Cross multiply
    882.68x = 1,323.26 × 335.25
  4. Step 4: Simplify right side
    882.68x = 443,621.24
  5. Step 5: Solve for x
    x = 443,621.24/882.68
  6. Step 6: Final answer
    x = 502.59

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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.