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Finding the Fourth Proportional to 1,499.81, 2,250.11 and 575.33

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Solution

The fourth proportional to 1,499.81, 2,250.11 and 575.33 is: 863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.81 : 2,250.11 = 575.33 : x
  2. Step 2: Convert to fraction form
    1,499.81/2,250.11 = 575.33/x
  3. Step 3: Cross multiply
    1,499.81x = 2,250.11 × 575.33
  4. Step 4: Simplify right side
    1,499.81x = 1,294,545.97
  5. Step 5: Solve for x
    x = 1,294,545.97/1,499.81
  6. Step 6: Final answer
    x = 863.14

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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.