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Finding the Fourth Proportional to 248.92, 345.07 and 237.16

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Solution

The fourth proportional to 248.92, 345.07 and 237.16 is: 328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.92 : 345.07 = 237.16 : x
  2. Step 2: Convert to fraction form
    248.92/345.07 = 237.16/x
  3. Step 3: Cross multiply
    248.92x = 345.07 × 237.16
  4. Step 4: Simplify right side
    248.92x = 81,836.80
  5. Step 5: Solve for x
    x = 81,836.80/248.92
  6. Step 6: Final answer
    x = 328.77

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.