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Finding the Fourth Proportional to 950.22, 1,309.96 and 740.04

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Solution

The fourth proportional to 950.22, 1,309.96 and 740.04 is: 1,020.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.22 : 1,309.96 = 740.04 : x
  2. Step 2: Convert to fraction form
    950.22/1,309.96 = 740.04/x
  3. Step 3: Cross multiply
    950.22x = 1,309.96 × 740.04
  4. Step 4: Simplify right side
    950.22x = 969,422.80
  5. Step 5: Solve for x
    x = 969,422.80/950.22
  6. Step 6: Final answer
    x = 1,020.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.