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Finding the Fourth Proportional to 247.99, 369.17 and 236.20

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Solution

The fourth proportional to 247.99, 369.17 and 236.20 is: 351.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247.99 : 369.17 = 236.20 : x
  2. Step 2: Convert to fraction form
    247.99/369.17 = 236.20/x
  3. Step 3: Cross multiply
    247.99x = 369.17 × 236.20
  4. Step 4: Simplify right side
    247.99x = 87,197.95
  5. Step 5: Solve for x
    x = 87,197.95/247.99
  6. Step 6: Final answer
    x = 351.62

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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.