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Finding the Fourth Proportional to 184.19, 276.08 and 123.30

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Solution

The fourth proportional to 184.19, 276.08 and 123.30 is: 184.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.19 : 276.08 = 123.30 : x
  2. Step 2: Convert to fraction form
    184.19/276.08 = 123.30/x
  3. Step 3: Cross multiply
    184.19x = 276.08 × 123.30
  4. Step 4: Simplify right side
    184.19x = 34,040.05
  5. Step 5: Solve for x
    x = 34,040.05/184.19
  6. Step 6: Final answer
    x = 184.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.