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Finding the Fourth Proportional to 191.34, 265.49 and 183.62

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Solution

The fourth proportional to 191.34, 265.49 and 183.62 is: 254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.34 : 265.49 = 183.62 : x
  2. Step 2: Convert to fraction form
    191.34/265.49 = 183.62/x
  3. Step 3: Cross multiply
    191.34x = 265.49 × 183.62
  4. Step 4: Simplify right side
    191.34x = 48,750.40
  5. Step 5: Solve for x
    x = 48,750.40/191.34
  6. Step 6: Final answer
    x = 254.78

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.