Home / 1,192.60-1,789.20-370.96

Finding the Fourth Proportional to 1,192.60, 1,789.20 and 370.96

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Solution

The fourth proportional to 1,192.60, 1,789.20 and 370.96 is: 556.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.60 : 1,789.20 = 370.96 : x
  2. Step 2: Convert to fraction form
    1,192.60/1,789.20 = 370.96/x
  3. Step 3: Cross multiply
    1,192.60x = 1,789.20 × 370.96
  4. Step 4: Simplify right side
    1,192.60x = 663,721.63
  5. Step 5: Solve for x
    x = 663,721.63/1,192.60
  6. Step 6: Final answer
    x = 556.53

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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.