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Finding the Fourth Proportional to 364.81, 503.20 and 240.41

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Solution

The fourth proportional to 364.81, 503.20 and 240.41 is: 331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.81 : 503.20 = 240.41 : x
  2. Step 2: Convert to fraction form
    364.81/503.20 = 240.41/x
  3. Step 3: Cross multiply
    364.81x = 503.20 × 240.41
  4. Step 4: Simplify right side
    364.81x = 120,974.31
  5. Step 5: Solve for x
    x = 120,974.31/364.81
  6. Step 6: Final answer
    x = 331.61

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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.