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Finding the Fourth Proportional to 844.88, 1,268.08 and 610.84

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Solution

The fourth proportional to 844.88, 1,268.08 and 610.84 is: 916.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.88 : 1,268.08 = 610.84 : x
  2. Step 2: Convert to fraction form
    844.88/1,268.08 = 610.84/x
  3. Step 3: Cross multiply
    844.88x = 1,268.08 × 610.84
  4. Step 4: Simplify right side
    844.88x = 774,593.99
  5. Step 5: Solve for x
    x = 774,593.99/844.88
  6. Step 6: Final answer
    x = 916.81

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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.