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Finding the Fourth Proportional to 882.52, 1,323.26 and 395.48

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Solution

The fourth proportional to 882.52, 1,323.26 and 395.48 is: 592.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.52 : 1,323.26 = 395.48 : x
  2. Step 2: Convert to fraction form
    882.52/1,323.26 = 395.48/x
  3. Step 3: Cross multiply
    882.52x = 1,323.26 × 395.48
  4. Step 4: Simplify right side
    882.52x = 523,322.86
  5. Step 5: Solve for x
    x = 523,322.86/882.52
  6. Step 6: Final answer
    x = 592.99

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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.