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Finding the Fourth Proportional to 1,194.44, 1,791.75 and 578.22

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Solution

The fourth proportional to 1,194.44, 1,791.75 and 578.22 is: 867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.44 : 1,791.75 = 578.22 : x
  2. Step 2: Convert to fraction form
    1,194.44/1,791.75 = 578.22/x
  3. Step 3: Cross multiply
    1,194.44x = 1,791.75 × 578.22
  4. Step 4: Simplify right side
    1,194.44x = 1,036,025.69
  5. Step 5: Solve for x
    x = 1,036,025.69/1,194.44
  6. Step 6: Final answer
    x = 867.38

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1.5x scale

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.