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Finding the Fourth Proportional to 248.23, 374.34 and 246.61

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Solution

The fourth proportional to 248.23, 374.34 and 246.61 is: 371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.23 : 374.34 = 246.61 : x
  2. Step 2: Convert to fraction form
    248.23/374.34 = 246.61/x
  3. Step 3: Cross multiply
    248.23x = 374.34 × 246.61
  4. Step 4: Simplify right side
    248.23x = 92,312.88
  5. Step 5: Solve for x
    x = 92,312.88/248.23
  6. Step 6: Final answer
    x = 371.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.