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Finding the Fourth Proportional to 239.19, 360.26 and 227.67

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Solution

The fourth proportional to 239.19, 360.26 and 227.67 is: 342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.19 : 360.26 = 227.67 : x
  2. Step 2: Convert to fraction form
    239.19/360.26 = 227.67/x
  3. Step 3: Cross multiply
    239.19x = 360.26 × 227.67
  4. Step 4: Simplify right side
    239.19x = 82,020.96
  5. Step 5: Solve for x
    x = 82,020.96/239.19
  6. Step 6: Final answer
    x = 342.91

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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.