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Finding the Fourth Proportional to 361.81, 544.97 and 336.47

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Solution

The fourth proportional to 361.81, 544.97 and 336.47 is: 506.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.81 : 544.97 = 336.47 : x
  2. Step 2: Convert to fraction form
    361.81/544.97 = 336.47/x
  3. Step 3: Cross multiply
    361.81x = 544.97 × 336.47
  4. Step 4: Simplify right side
    361.81x = 183,363.54
  5. Step 5: Solve for x
    x = 183,363.54/361.81
  6. Step 6: Final answer
    x = 506.79

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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.