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Finding the Fourth Proportional to 363.05, 540.78 and 362.36

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Solution

The fourth proportional to 363.05, 540.78 and 362.36 is: 539.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.05 : 540.78 = 362.36 : x
  2. Step 2: Convert to fraction form
    363.05/540.78 = 362.36/x
  3. Step 3: Cross multiply
    363.05x = 540.78 × 362.36
  4. Step 4: Simplify right side
    363.05x = 195,954.34
  5. Step 5: Solve for x
    x = 195,954.34/363.05
  6. Step 6: Final answer
    x = 539.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.