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Finding the Fourth Proportional to 184.82, 276.05 and 154.42

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Solution

The fourth proportional to 184.82, 276.05 and 154.42 is: 230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.82 : 276.05 = 154.42 : x
  2. Step 2: Convert to fraction form
    184.82/276.05 = 154.42/x
  3. Step 3: Cross multiply
    184.82x = 276.05 × 154.42
  4. Step 4: Simplify right side
    184.82x = 42,627.34
  5. Step 5: Solve for x
    x = 42,627.34/184.82
  6. Step 6: Final answer
    x = 230.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.