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Finding the Fourth Proportional to 251.68, 374.96 and 246.28

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Solution

The fourth proportional to 251.68, 374.96 and 246.28 is: 366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.68 : 374.96 = 246.28 : x
  2. Step 2: Convert to fraction form
    251.68/374.96 = 246.28/x
  3. Step 3: Cross multiply
    251.68x = 374.96 × 246.28
  4. Step 4: Simplify right side
    251.68x = 92,345.15
  5. Step 5: Solve for x
    x = 92,345.15/251.68
  6. Step 6: Final answer
    x = 366.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.