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Finding the Fourth Proportional to 191.79, 262.62 and 183.60

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Solution

The fourth proportional to 191.79, 262.62 and 183.60 is: 251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.79 : 262.62 = 183.60 : x
  2. Step 2: Convert to fraction form
    191.79/262.62 = 183.60/x
  3. Step 3: Cross multiply
    191.79x = 262.62 × 183.60
  4. Step 4: Simplify right side
    191.79x = 48,217.03
  5. Step 5: Solve for x
    x = 48,217.03/191.79
  6. Step 6: Final answer
    x = 251.41

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.