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Finding the Fourth Proportional to 395.79, 593.15 and 241.35

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Solution

The fourth proportional to 395.79, 593.15 and 241.35 is: 361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.79 : 593.15 = 241.35 : x
  2. Step 2: Convert to fraction form
    395.79/593.15 = 241.35/x
  3. Step 3: Cross multiply
    395.79x = 593.15 × 241.35
  4. Step 4: Simplify right side
    395.79x = 143,155.55
  5. Step 5: Solve for x
    x = 143,155.55/395.79
  6. Step 6: Final answer
    x = 361.70

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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.