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Finding the Fourth Proportional to 277.67, 382.24 and 240.61

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Solution

The fourth proportional to 277.67, 382.24 and 240.61 is: 331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.67 : 382.24 = 240.61 : x
  2. Step 2: Convert to fraction form
    277.67/382.24 = 240.61/x
  3. Step 3: Cross multiply
    277.67x = 382.24 × 240.61
  4. Step 4: Simplify right side
    277.67x = 91,970.77
  5. Step 5: Solve for x
    x = 91,970.77/277.67
  6. Step 6: Final answer
    x = 331.22

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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.