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Finding the Fourth Proportional to 844.94, 1,265.02 and 614.23

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Solution

The fourth proportional to 844.94, 1,265.02 and 614.23 is: 919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.94 : 1,265.02 = 614.23 : x
  2. Step 2: Convert to fraction form
    844.94/1,265.02 = 614.23/x
  3. Step 3: Cross multiply
    844.94x = 1,265.02 × 614.23
  4. Step 4: Simplify right side
    844.94x = 777,008.54
  5. Step 5: Solve for x
    x = 777,008.54/844.94
  6. Step 6: Final answer
    x = 919.60

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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.