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Finding the Fourth Proportional to 251.48, 347.01 and 164.27

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Solution

The fourth proportional to 251.48, 347.01 and 164.27 is: 226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.48 : 347.01 = 164.27 : x
  2. Step 2: Convert to fraction form
    251.48/347.01 = 164.27/x
  3. Step 3: Cross multiply
    251.48x = 347.01 × 164.27
  4. Step 4: Simplify right side
    251.48x = 57,003.33
  5. Step 5: Solve for x
    x = 57,003.33/251.48
  6. Step 6: Final answer
    x = 226.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.