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Finding the Fourth Proportional to 248.39, 372.69 and 94.39

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Solution

The fourth proportional to 248.39, 372.69 and 94.39 is: 141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.39 : 372.69 = 94.39 : x
  2. Step 2: Convert to fraction form
    248.39/372.69 = 94.39/x
  3. Step 3: Cross multiply
    248.39x = 372.69 × 94.39
  4. Step 4: Simplify right side
    248.39x = 35,178.21
  5. Step 5: Solve for x
    x = 35,178.21/248.39
  6. Step 6: Final answer
    x = 141.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.