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Finding the Fourth Proportional to 884.47, 1,326.19 and 336.69

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Solution

The fourth proportional to 884.47, 1,326.19 and 336.69 is: 504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.47 : 1,326.19 = 336.69 : x
  2. Step 2: Convert to fraction form
    884.47/1,326.19 = 336.69/x
  3. Step 3: Cross multiply
    884.47x = 1,326.19 × 336.69
  4. Step 4: Simplify right side
    884.47x = 446,514.91
  5. Step 5: Solve for x
    x = 446,514.91/884.47
  6. Step 6: Final answer
    x = 504.84

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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.