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Finding the Fourth Proportional to 365.97, 505 and 241.87

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Solution

The fourth proportional to 365.97, 505 and 241.87 is: 333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.97 : 505 = 241.87 : x
  2. Step 2: Convert to fraction form
    365.97/505 = 241.87/x
  3. Step 3: Cross multiply
    365.97x = 505 × 241.87
  4. Step 4: Simplify right side
    365.97x = 122,144.35
  5. Step 5: Solve for x
    x = 122,144.35/365.97
  6. Step 6: Final answer
    x = 333.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.