Home / 1,194.21-1,791.35-328.52

Finding the Fourth Proportional to 1,194.21, 1,791.35 and 328.52

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Solution

The fourth proportional to 1,194.21, 1,791.35 and 328.52 is: 492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.21 : 1,791.35 = 328.52 : x
  2. Step 2: Convert to fraction form
    1,194.21/1,791.35 = 328.52/x
  3. Step 3: Cross multiply
    1,194.21x = 1,791.35 × 328.52
  4. Step 4: Simplify right side
    1,194.21x = 588,483.70
  5. Step 5: Solve for x
    x = 588,483.70/1,194.21
  6. Step 6: Final answer
    x = 492.78

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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.