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Finding the Fourth Proportional to 248.92, 343.47 and 150.68

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Solution

The fourth proportional to 248.92, 343.47 and 150.68 is: 207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.92 : 343.47 = 150.68 : x
  2. Step 2: Convert to fraction form
    248.92/343.47 = 150.68/x
  3. Step 3: Cross multiply
    248.92x = 343.47 × 150.68
  4. Step 4: Simplify right side
    248.92x = 51,754.06
  5. Step 5: Solve for x
    x = 51,754.06/248.92
  6. Step 6: Final answer
    x = 207.91

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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.