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Finding the Fourth Proportional to 263.73, 364.17 and 165.65

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Solution

The fourth proportional to 263.73, 364.17 and 165.65 is: 228.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.73 : 364.17 = 165.65 : x
  2. Step 2: Convert to fraction form
    263.73/364.17 = 165.65/x
  3. Step 3: Cross multiply
    263.73x = 364.17 × 165.65
  4. Step 4: Simplify right side
    263.73x = 60,324.76
  5. Step 5: Solve for x
    x = 60,324.76/263.73
  6. Step 6: Final answer
    x = 228.74

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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.