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Finding the Third Proportional to 248.63 and 369.38

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Solution

The third proportional to 248.63 and 369.38 is: 548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.63 : 369.38 = 369.38 : x
  2. Step 2: Convert to fraction form
    248.63/369.38 = 369.38/x
  3. Step 3: Cross multiply
    248.63x = 369.38 × 369.38
  4. Step 4: Simplify right side
    248.63x = 136,437.89
  5. Step 5: Solve for x
    x = 136,437.89/248.63
  6. Step 6: Final answer
    x = 548.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.