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Finding the Fourth Proportional to 1,266.33, 1,900.37 and 444.61

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Solution

The fourth proportional to 1,266.33, 1,900.37 and 444.61 is: 667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266.33 : 1,900.37 = 444.61 : x
  2. Step 2: Convert to fraction form
    1,266.33/1,900.37 = 444.61/x
  3. Step 3: Cross multiply
    1,266.33x = 1,900.37 × 444.61
  4. Step 4: Simplify right side
    1,266.33x = 844,919.87
  5. Step 5: Solve for x
    x = 844,919.87/1,266.33
  6. Step 6: Final answer
    x = 667.22

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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.