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Finding the Fourth Proportional to 240.04, 361.84 and 219.54

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Solution

The fourth proportional to 240.04, 361.84 and 219.54 is: 330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.04 : 361.84 = 219.54 : x
  2. Step 2: Convert to fraction form
    240.04/361.84 = 219.54/x
  3. Step 3: Cross multiply
    240.04x = 361.84 × 219.54
  4. Step 4: Simplify right side
    240.04x = 79,437.26
  5. Step 5: Solve for x
    x = 79,437.26/240.04
  6. Step 6: Final answer
    x = 330.93

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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.