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Finding the Fourth Proportional to 403.41, 603.75 and 249.44

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Solution

The fourth proportional to 403.41, 603.75 and 249.44 is: 373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    403.41 : 603.75 = 249.44 : x
  2. Step 2: Convert to fraction form
    403.41/603.75 = 249.44/x
  3. Step 3: Cross multiply
    403.41x = 603.75 × 249.44
  4. Step 4: Simplify right side
    403.41x = 150,596.38
  5. Step 5: Solve for x
    x = 150,596.38/403.41
  6. Step 6: Final answer
    x = 373.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.