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Finding the Fourth Proportional to 244.72, 369.43 and 243.28

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Solution

The fourth proportional to 244.72, 369.43 and 243.28 is: 367.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.72 : 369.43 = 243.28 : x
  2. Step 2: Convert to fraction form
    244.72/369.43 = 243.28/x
  3. Step 3: Cross multiply
    244.72x = 369.43 × 243.28
  4. Step 4: Simplify right side
    244.72x = 89,874.93
  5. Step 5: Solve for x
    x = 89,874.93/244.72
  6. Step 6: Final answer
    x = 367.26

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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.