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Finding the Fourth Proportional to 369.44, 512.45 and 360.33

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Solution

The fourth proportional to 369.44, 512.45 and 360.33 is: 499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    369.44 : 512.45 = 360.33 : x
  2. Step 2: Convert to fraction form
    369.44/512.45 = 360.33/x
  3. Step 3: Cross multiply
    369.44x = 512.45 × 360.33
  4. Step 4: Simplify right side
    369.44x = 184,648.74
  5. Step 5: Solve for x
    x = 184,648.74/369.44
  6. Step 6: Final answer
    x = 499.81

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.