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Finding the Fourth Proportional to 241.79, 365.31 and 239.63

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Solution

The fourth proportional to 241.79, 365.31 and 239.63 is: 362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.79 : 365.31 = 239.63 : x
  2. Step 2: Convert to fraction form
    241.79/365.31 = 239.63/x
  3. Step 3: Cross multiply
    241.79x = 365.31 × 239.63
  4. Step 4: Simplify right side
    241.79x = 87,537.41
  5. Step 5: Solve for x
    x = 87,537.41/241.79
  6. Step 6: Final answer
    x = 362.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.