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Finding the Fourth Proportional to 844.11, 1,164.90 and 471.09

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Solution

The fourth proportional to 844.11, 1,164.90 and 471.09 is: 650.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.11 : 1,164.90 = 471.09 : x
  2. Step 2: Convert to fraction form
    844.11/1,164.90 = 471.09/x
  3. Step 3: Cross multiply
    844.11x = 1,164.90 × 471.09
  4. Step 4: Simplify right side
    844.11x = 548,772.74
  5. Step 5: Solve for x
    x = 548,772.74/844.11
  6. Step 6: Final answer
    x = 650.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.