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Finding the Fourth Proportional to 380.01, 524.54 and 240.36

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Solution

The fourth proportional to 380.01, 524.54 and 240.36 is: 331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    380.01 : 524.54 = 240.36 : x
  2. Step 2: Convert to fraction form
    380.01/524.54 = 240.36/x
  3. Step 3: Cross multiply
    380.01x = 524.54 × 240.36
  4. Step 4: Simplify right side
    380.01x = 126,078.43
  5. Step 5: Solve for x
    x = 126,078.43/380.01
  6. Step 6: Final answer
    x = 331.78

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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.