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Finding the Fourth Proportional to 240.77, 359.53 and 239.33

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Solution

The fourth proportional to 240.77, 359.53 and 239.33 is: 357.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.77 : 359.53 = 239.33 : x
  2. Step 2: Convert to fraction form
    240.77/359.53 = 239.33/x
  3. Step 3: Cross multiply
    240.77x = 359.53 × 239.33
  4. Step 4: Simplify right side
    240.77x = 86,046.91
  5. Step 5: Solve for x
    x = 86,046.91/240.77
  6. Step 6: Final answer
    x = 357.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.