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Finding the Fourth Proportional to 1,150.92, 1,726.22 and 370.82

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Solution

The fourth proportional to 1,150.92, 1,726.22 and 370.82 is: 556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.92 : 1,726.22 = 370.82 : x
  2. Step 2: Convert to fraction form
    1,150.92/1,726.22 = 370.82/x
  3. Step 3: Cross multiply
    1,150.92x = 1,726.22 × 370.82
  4. Step 4: Simplify right side
    1,150.92x = 640,116.90
  5. Step 5: Solve for x
    x = 640,116.90/1,150.92
  6. Step 6: Final answer
    x = 556.18

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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.