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Finding the Fourth Proportional to 248.74, 370.35 and 233.71

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Solution

The fourth proportional to 248.74, 370.35 and 233.71 is: 347.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.74 : 370.35 = 233.71 : x
  2. Step 2: Convert to fraction form
    248.74/370.35 = 233.71/x
  3. Step 3: Cross multiply
    248.74x = 370.35 × 233.71
  4. Step 4: Simplify right side
    248.74x = 86,553.57
  5. Step 5: Solve for x
    x = 86,553.57/248.74
  6. Step 6: Final answer
    x = 347.97

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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.