Home / 1,182.20-1,773.46-360.35

Finding the Fourth Proportional to 1,182.20, 1,773.46 and 360.35

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Solution

The fourth proportional to 1,182.20, 1,773.46 and 360.35 is: 540.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.20 : 1,773.46 = 360.35 : x
  2. Step 2: Convert to fraction form
    1,182.20/1,773.46 = 360.35/x
  3. Step 3: Cross multiply
    1,182.20x = 1,773.46 × 360.35
  4. Step 4: Simplify right side
    1,182.20x = 639,064.54
  5. Step 5: Solve for x
    x = 639,064.54/1,182.20
  6. Step 6: Final answer
    x = 540.57

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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.