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Finding the Fourth Proportional to 248.26, 340.76 and 237.70

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Solution

The fourth proportional to 248.26, 340.76 and 237.70 is: 326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.26 : 340.76 = 237.70 : x
  2. Step 2: Convert to fraction form
    248.26/340.76 = 237.70/x
  3. Step 3: Cross multiply
    248.26x = 340.76 × 237.70
  4. Step 4: Simplify right side
    248.26x = 80,998.65
  5. Step 5: Solve for x
    x = 80,998.65/248.26
  6. Step 6: Final answer
    x = 326.27

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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.