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Finding the Fourth Proportional to 272.60, 410.60 and 248.37

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Solution

The fourth proportional to 272.60, 410.60 and 248.37 is: 374.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.60 : 410.60 = 248.37 : x
  2. Step 2: Convert to fraction form
    272.60/410.60 = 248.37/x
  3. Step 3: Cross multiply
    272.60x = 410.60 × 248.37
  4. Step 4: Simplify right side
    272.60x = 101,979.48
  5. Step 5: Solve for x
    x = 101,979.48/272.60
  6. Step 6: Final answer
    x = 374.11

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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.