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Finding the Fourth Proportional to 248.82, 370.72 and 234.84

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Solution

The fourth proportional to 248.82, 370.72 and 234.84 is: 349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.82 : 370.72 = 234.84 : x
  2. Step 2: Convert to fraction form
    248.82/370.72 = 234.84/x
  3. Step 3: Cross multiply
    248.82x = 370.72 × 234.84
  4. Step 4: Simplify right side
    248.82x = 87,062.23
  5. Step 5: Solve for x
    x = 87,062.23/248.82
  6. Step 6: Final answer
    x = 349.91

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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.