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Finding the Fourth Proportional to 262.63, 391.30 and 244

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Solution

The fourth proportional to 262.63, 391.30 and 244 is: 363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.63 : 391.30 = 244 : x
  2. Step 2: Convert to fraction form
    262.63/391.30 = 244/x
  3. Step 3: Cross multiply
    262.63x = 391.30 × 244
  4. Step 4: Simplify right side
    262.63x = 95,477.20
  5. Step 5: Solve for x
    x = 95,477.20/262.63
  6. Step 6: Final answer
    x = 363.54

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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.