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Finding the Fourth Proportional to 270.60, 373.56 and 195.96

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Solution

The fourth proportional to 270.60, 373.56 and 195.96 is: 270.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.60 : 373.56 = 195.96 : x
  2. Step 2: Convert to fraction form
    270.60/373.56 = 195.96/x
  3. Step 3: Cross multiply
    270.60x = 373.56 × 195.96
  4. Step 4: Simplify right side
    270.60x = 73,202.82
  5. Step 5: Solve for x
    x = 73,202.82/270.60
  6. Step 6: Final answer
    x = 270.52

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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.