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Finding the Fourth Proportional to 299.73, 451.65 and 246.81

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Solution

The fourth proportional to 299.73, 451.65 and 246.81 is: 371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.73 : 451.65 = 246.81 : x
  2. Step 2: Convert to fraction form
    299.73/451.65 = 246.81/x
  3. Step 3: Cross multiply
    299.73x = 451.65 × 246.81
  4. Step 4: Simplify right side
    299.73x = 111,471.74
  5. Step 5: Solve for x
    x = 111,471.74/299.73
  6. Step 6: Final answer
    x = 371.91

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.