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Finding the Fourth Proportional to 1,433.77, 2,150.42 and 496.87

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Solution

The fourth proportional to 1,433.77, 2,150.42 and 496.87 is: 745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433.77 : 2,150.42 = 496.87 : x
  2. Step 2: Convert to fraction form
    1,433.77/2,150.42 = 496.87/x
  3. Step 3: Cross multiply
    1,433.77x = 2,150.42 × 496.87
  4. Step 4: Simplify right side
    1,433.77x = 1,068,471.33
  5. Step 5: Solve for x
    x = 1,068,471.33/1,433.77
  6. Step 6: Final answer
    x = 745.22

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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.