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Finding the Fourth Proportional to 251.74, 347.52 and 195.59

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Solution

The fourth proportional to 251.74, 347.52 and 195.59 is: 270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.74 : 347.52 = 195.59 : x
  2. Step 2: Convert to fraction form
    251.74/347.52 = 195.59/x
  3. Step 3: Cross multiply
    251.74x = 347.52 × 195.59
  4. Step 4: Simplify right side
    251.74x = 67,973.04
  5. Step 5: Solve for x
    x = 67,973.04/251.74
  6. Step 6: Final answer
    x = 270.02

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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.