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Finding the Fourth Proportional to 361.56, 539.76 and 337.62

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Solution

The fourth proportional to 361.56, 539.76 and 337.62 is: 504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.56 : 539.76 = 337.62 : x
  2. Step 2: Convert to fraction form
    361.56/539.76 = 337.62/x
  3. Step 3: Cross multiply
    361.56x = 539.76 × 337.62
  4. Step 4: Simplify right side
    361.56x = 182,233.77
  5. Step 5: Solve for x
    x = 182,233.77/361.56
  6. Step 6: Final answer
    x = 504.02

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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.