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Finding the Fourth Proportional to 191.83, 263.57 and 173.59

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Solution

The fourth proportional to 191.83, 263.57 and 173.59 is: 238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.83 : 263.57 = 173.59 : x
  2. Step 2: Convert to fraction form
    191.83/263.57 = 173.59/x
  3. Step 3: Cross multiply
    191.83x = 263.57 × 173.59
  4. Step 4: Simplify right side
    191.83x = 45,753.12
  5. Step 5: Solve for x
    x = 45,753.12/191.83
  6. Step 6: Final answer
    x = 238.51

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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.