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Finding the Fourth Proportional to 182.05, 272.91 and 104.98

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Solution

The fourth proportional to 182.05, 272.91 and 104.98 is: 157.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.05 : 272.91 = 104.98 : x
  2. Step 2: Convert to fraction form
    182.05/272.91 = 104.98/x
  3. Step 3: Cross multiply
    182.05x = 272.91 × 104.98
  4. Step 4: Simplify right side
    182.05x = 28,650.09
  5. Step 5: Solve for x
    x = 28,650.09/182.05
  6. Step 6: Final answer
    x = 157.37

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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.