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Finding the Fourth Proportional to 365.36, 544.11 and 349.56

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Solution

The fourth proportional to 365.36, 544.11 and 349.56 is: 520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.36 : 544.11 = 349.56 : x
  2. Step 2: Convert to fraction form
    365.36/544.11 = 349.56/x
  3. Step 3: Cross multiply
    365.36x = 544.11 × 349.56
  4. Step 4: Simplify right side
    365.36x = 190,199.09
  5. Step 5: Solve for x
    x = 190,199.09/365.36
  6. Step 6: Final answer
    x = 520.59

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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.