Home / 850.09-1,275.17-233.80

Finding the Fourth Proportional to 850.09, 1,275.17 and 233.80

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Solution

The fourth proportional to 850.09, 1,275.17 and 233.80 is: 350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.09 : 1,275.17 = 233.80 : x
  2. Step 2: Convert to fraction form
    850.09/1,275.17 = 233.80/x
  3. Step 3: Cross multiply
    850.09x = 1,275.17 × 233.80
  4. Step 4: Simplify right side
    850.09x = 298,134.75
  5. Step 5: Solve for x
    x = 298,134.75/850.09
  6. Step 6: Final answer
    x = 350.71

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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.