Home / 1,194.06-1,791.20-328.38

Finding the Fourth Proportional to 1,194.06, 1,791.20 and 328.38

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Solution

The fourth proportional to 1,194.06, 1,791.20 and 328.38 is: 492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.06 : 1,791.20 = 328.38 : x
  2. Step 2: Convert to fraction form
    1,194.06/1,791.20 = 328.38/x
  3. Step 3: Cross multiply
    1,194.06x = 1,791.20 × 328.38
  4. Step 4: Simplify right side
    1,194.06x = 588,194.26
  5. Step 5: Solve for x
    x = 588,194.26/1,194.06
  6. Step 6: Final answer
    x = 492.60

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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.