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Finding the Fourth Proportional to 884.08, 1,326.12 and 335.80

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Solution

The fourth proportional to 884.08, 1,326.12 and 335.80 is: 503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.08 : 1,326.12 = 335.80 : x
  2. Step 2: Convert to fraction form
    884.08/1,326.12 = 335.80/x
  3. Step 3: Cross multiply
    884.08x = 1,326.12 × 335.80
  4. Step 4: Simplify right side
    884.08x = 445,311.10
  5. Step 5: Solve for x
    x = 445,311.10/884.08
  6. Step 6: Final answer
    x = 503.70

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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.