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Finding the Fourth Proportional to 133.08, 184.91 and 131.66

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Solution

The fourth proportional to 133.08, 184.91 and 131.66 is: 182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.08 : 184.91 = 131.66 : x
  2. Step 2: Convert to fraction form
    133.08/184.91 = 131.66/x
  3. Step 3: Cross multiply
    133.08x = 184.91 × 131.66
  4. Step 4: Simplify right side
    133.08x = 24,344.33
  5. Step 5: Solve for x
    x = 24,344.33/133.08
  6. Step 6: Final answer
    x = 182.93

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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.