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Finding the Fourth Proportional to 371.49, 513.09 and 246.94

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Solution

The fourth proportional to 371.49, 513.09 and 246.94 is: 341.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.49 : 513.09 = 246.94 : x
  2. Step 2: Convert to fraction form
    371.49/513.09 = 246.94/x
  3. Step 3: Cross multiply
    371.49x = 513.09 × 246.94
  4. Step 4: Simplify right side
    371.49x = 126,701.16
  5. Step 5: Solve for x
    x = 126,701.16/371.49
  6. Step 6: Final answer
    x = 341.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.