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Finding the Fourth Proportional to 196.90, 270.95 and 183.53

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Solution

The fourth proportional to 196.90, 270.95 and 183.53 is: 252.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.90 : 270.95 = 183.53 : x
  2. Step 2: Convert to fraction form
    196.90/270.95 = 183.53/x
  3. Step 3: Cross multiply
    196.90x = 270.95 × 183.53
  4. Step 4: Simplify right side
    196.90x = 49,727.21
  5. Step 5: Solve for x
    x = 49,727.21/196.90
  6. Step 6: Final answer
    x = 252.55

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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.