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Finding the Fourth Proportional to 379.44, 522.48 and 365.52

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Solution

The fourth proportional to 379.44, 522.48 and 365.52 is: 503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    379.44 : 522.48 = 365.52 : x
  2. Step 2: Convert to fraction form
    379.44/522.48 = 365.52/x
  3. Step 3: Cross multiply
    379.44x = 522.48 × 365.52
  4. Step 4: Simplify right side
    379.44x = 190,976.89
  5. Step 5: Solve for x
    x = 190,976.89/379.44
  6. Step 6: Final answer
    x = 503.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.