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Finding the Fourth Proportional to 882.39, 1,323.60 and 334.43

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Solution

The fourth proportional to 882.39, 1,323.60 and 334.43 is: 501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.39 : 1,323.60 = 334.43 : x
  2. Step 2: Convert to fraction form
    882.39/1,323.60 = 334.43/x
  3. Step 3: Cross multiply
    882.39x = 1,323.60 × 334.43
  4. Step 4: Simplify right side
    882.39x = 442,644.93
  5. Step 5: Solve for x
    x = 442,644.93/882.39
  6. Step 6: Final answer
    x = 501.64

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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.