Home / 755.23-1,132.20-344.22

Finding the Fourth Proportional to 755.23, 1,132.20 and 344.22

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Solution

The fourth proportional to 755.23, 1,132.20 and 344.22 is: 516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    755.23 : 1,132.20 = 344.22 : x
  2. Step 2: Convert to fraction form
    755.23/1,132.20 = 344.22/x
  3. Step 3: Cross multiply
    755.23x = 1,132.20 × 344.22
  4. Step 4: Simplify right side
    755.23x = 389,725.88
  5. Step 5: Solve for x
    x = 389,725.88/755.23
  6. Step 6: Final answer
    x = 516.04

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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.