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Finding the Fourth Proportional to 1,195.54, 1,792.63 and 610.18

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Solution

The fourth proportional to 1,195.54, 1,792.63 and 610.18 is: 914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.54 : 1,792.63 = 610.18 : x
  2. Step 2: Convert to fraction form
    1,195.54/1,792.63 = 610.18/x
  3. Step 3: Cross multiply
    1,195.54x = 1,792.63 × 610.18
  4. Step 4: Simplify right side
    1,195.54x = 1,093,826.97
  5. Step 5: Solve for x
    x = 1,093,826.97/1,195.54
  6. Step 6: Final answer
    x = 914.92

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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.