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Finding the Fourth Proportional to 833.76, 1,250.37 and 248.54

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Solution

The fourth proportional to 833.76, 1,250.37 and 248.54 is: 372.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.76 : 1,250.37 = 248.54 : x
  2. Step 2: Convert to fraction form
    833.76/1,250.37 = 248.54/x
  3. Step 3: Cross multiply
    833.76x = 1,250.37 × 248.54
  4. Step 4: Simplify right side
    833.76x = 310,760.71
  5. Step 5: Solve for x
    x = 310,760.71/833.76
  6. Step 6: Final answer
    x = 372.72

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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.