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Finding the Fourth Proportional to 844.27, 1,266.22 and 324.25

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Solution

The fourth proportional to 844.27, 1,266.22 and 324.25 is: 486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.27 : 1,266.22 = 324.25 : x
  2. Step 2: Convert to fraction form
    844.27/1,266.22 = 324.25/x
  3. Step 3: Cross multiply
    844.27x = 1,266.22 × 324.25
  4. Step 4: Simplify right side
    844.27x = 410,571.84
  5. Step 5: Solve for x
    x = 410,571.84/844.27
  6. Step 6: Final answer
    x = 486.30

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Double scale
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1.5x scale

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.