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Finding the Fourth Proportional to 274.52, 377.27 and 247.19

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Solution

The fourth proportional to 274.52, 377.27 and 247.19 is: 339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.52 : 377.27 = 247.19 : x
  2. Step 2: Convert to fraction form
    274.52/377.27 = 247.19/x
  3. Step 3: Cross multiply
    274.52x = 377.27 × 247.19
  4. Step 4: Simplify right side
    274.52x = 93,254.25
  5. Step 5: Solve for x
    x = 93,254.25/274.52
  6. Step 6: Final answer
    x = 339.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.