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Finding the Fourth Proportional to 251.02, 346.16 and 168.04

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Solution

The fourth proportional to 251.02, 346.16 and 168.04 is: 231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.02 : 346.16 = 168.04 : x
  2. Step 2: Convert to fraction form
    251.02/346.16 = 168.04/x
  3. Step 3: Cross multiply
    251.02x = 346.16 × 168.04
  4. Step 4: Simplify right side
    251.02x = 58,168.73
  5. Step 5: Solve for x
    x = 58,168.73/251.02
  6. Step 6: Final answer
    x = 231.73

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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.