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Finding the Fourth Proportional to 262.68, 364.19 and 248.10

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Solution

The fourth proportional to 262.68, 364.19 and 248.10 is: 343.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.68 : 364.19 = 248.10 : x
  2. Step 2: Convert to fraction form
    262.68/364.19 = 248.10/x
  3. Step 3: Cross multiply
    262.68x = 364.19 × 248.10
  4. Step 4: Simplify right side
    262.68x = 90,354.30
  5. Step 5: Solve for x
    x = 90,354.30/262.68
  6. Step 6: Final answer
    x = 343.97

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.