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Finding the Fourth Proportional to 371.93, 513.27 and 224.57

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Solution

The fourth proportional to 371.93, 513.27 and 224.57 is: 309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.93 : 513.27 = 224.57 : x
  2. Step 2: Convert to fraction form
    371.93/513.27 = 224.57/x
  3. Step 3: Cross multiply
    371.93x = 513.27 × 224.57
  4. Step 4: Simplify right side
    371.93x = 115,265.04
  5. Step 5: Solve for x
    x = 115,265.04/371.93
  6. Step 6: Final answer
    x = 309.91

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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.