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Finding the Fourth Proportional to 396.03, 544.98 and 365.25

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Solution

The fourth proportional to 396.03, 544.98 and 365.25 is: 502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    396.03 : 544.98 = 365.25 : x
  2. Step 2: Convert to fraction form
    396.03/544.98 = 365.25/x
  3. Step 3: Cross multiply
    396.03x = 544.98 × 365.25
  4. Step 4: Simplify right side
    396.03x = 199,053.95
  5. Step 5: Solve for x
    x = 199,053.95/396.03
  6. Step 6: Final answer
    x = 502.62

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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.