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Finding the Fourth Proportional to 251.04, 346.44 and 195.84

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Solution

The fourth proportional to 251.04, 346.44 and 195.84 is: 270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.04 : 346.44 = 195.84 : x
  2. Step 2: Convert to fraction form
    251.04/346.44 = 195.84/x
  3. Step 3: Cross multiply
    251.04x = 346.44 × 195.84
  4. Step 4: Simplify right side
    251.04x = 67,846.81
  5. Step 5: Solve for x
    x = 67,846.81/251.04
  6. Step 6: Final answer
    x = 270.26

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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.