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Finding the Fourth Proportional to 361.62, 544.69 and 336.28

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Solution

The fourth proportional to 361.62, 544.69 and 336.28 is: 506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.62 : 544.69 = 336.28 : x
  2. Step 2: Convert to fraction form
    361.62/544.69 = 336.28/x
  3. Step 3: Cross multiply
    361.62x = 544.69 × 336.28
  4. Step 4: Simplify right side
    361.62x = 183,166.15
  5. Step 5: Solve for x
    x = 183,166.15/361.62
  6. Step 6: Final answer
    x = 506.51

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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.