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Finding the Fourth Proportional to 1,232.77, 1,849.08 and 745.69

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Solution

The fourth proportional to 1,232.77, 1,849.08 and 745.69 is: 1,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.77 : 1,849.08 = 745.69 : x
  2. Step 2: Convert to fraction form
    1,232.77/1,849.08 = 745.69/x
  3. Step 3: Cross multiply
    1,232.77x = 1,849.08 × 745.69
  4. Step 4: Simplify right side
    1,232.77x = 1,378,840.47
  5. Step 5: Solve for x
    x = 1,378,840.47/1,232.77
  6. Step 6: Final answer
    x = 1,118.49

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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.