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Finding the Fourth Proportional to 241.66, 330.63 and 240.64

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Solution

The fourth proportional to 241.66, 330.63 and 240.64 is: 329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.66 : 330.63 = 240.64 : x
  2. Step 2: Convert to fraction form
    241.66/330.63 = 240.64/x
  3. Step 3: Cross multiply
    241.66x = 330.63 × 240.64
  4. Step 4: Simplify right side
    241.66x = 79,562.80
  5. Step 5: Solve for x
    x = 79,562.80/241.66
  6. Step 6: Final answer
    x = 329.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.