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Finding the Fourth Proportional to 629.59, 944.38 and 341.59

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Solution

The fourth proportional to 629.59, 944.38 and 341.59 is: 512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.59 : 944.38 = 341.59 : x
  2. Step 2: Convert to fraction form
    629.59/944.38 = 341.59/x
  3. Step 3: Cross multiply
    629.59x = 944.38 × 341.59
  4. Step 4: Simplify right side
    629.59x = 322,590.76
  5. Step 5: Solve for x
    x = 322,590.76/629.59
  6. Step 6: Final answer
    x = 512.38

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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.