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Finding the Fourth Proportional to 241.54, 362.00 and 138.67

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Solution

The fourth proportional to 241.54, 362.00 and 138.67 is: 207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.54 : 362.00 = 138.67 : x
  2. Step 2: Convert to fraction form
    241.54/362.00 = 138.67/x
  3. Step 3: Cross multiply
    241.54x = 362.00 × 138.67
  4. Step 4: Simplify right side
    241.54x = 50,197.98
  5. Step 5: Solve for x
    x = 50,197.98/241.54
  6. Step 6: Final answer
    x = 207.83

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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.