Home / 850.15-1,275.23-233.91

Finding the Fourth Proportional to 850.15, 1,275.23 and 233.91

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Solution

The fourth proportional to 850.15, 1,275.23 and 233.91 is: 350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    850.15 : 1,275.23 = 233.91 : x
  2. Step 2: Convert to fraction form
    850.15/1,275.23 = 233.91/x
  3. Step 3: Cross multiply
    850.15x = 1,275.23 × 233.91
  4. Step 4: Simplify right side
    850.15x = 298,289.05
  5. Step 5: Solve for x
    x = 298,289.05/850.15
  6. Step 6: Final answer
    x = 350.87

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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.