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Finding the Fourth Proportional to 272.43, 408.75 and 150.67

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Solution

The fourth proportional to 272.43, 408.75 and 150.67 is: 226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.43 : 408.75 = 150.67 : x
  2. Step 2: Convert to fraction form
    272.43/408.75 = 150.67/x
  3. Step 3: Cross multiply
    272.43x = 408.75 × 150.67
  4. Step 4: Simplify right side
    272.43x = 61,586.36
  5. Step 5: Solve for x
    x = 61,586.36/272.43
  6. Step 6: Final answer
    x = 226.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.