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Finding the Fourth Proportional to 1,266.19, 1,900.13 and 444.47

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Solution

The fourth proportional to 1,266.19, 1,900.13 and 444.47 is: 667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266.19 : 1,900.13 = 444.47 : x
  2. Step 2: Convert to fraction form
    1,266.19/1,900.13 = 444.47/x
  3. Step 3: Cross multiply
    1,266.19x = 1,900.13 × 444.47
  4. Step 4: Simplify right side
    1,266.19x = 844,542.39
  5. Step 5: Solve for x
    x = 844,542.39/1,266.19
  6. Step 6: Final answer
    x = 667.00

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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.