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Finding the Fourth Proportional to 629.62, 944.84 and 341.26

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Solution

The fourth proportional to 629.62, 944.84 and 341.26 is: 512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    629.62 : 944.84 = 341.26 : x
  2. Step 2: Convert to fraction form
    629.62/944.84 = 341.26/x
  3. Step 3: Cross multiply
    629.62x = 944.84 × 341.26
  4. Step 4: Simplify right side
    629.62x = 322,436.10
  5. Step 5: Solve for x
    x = 322,436.10/629.62
  6. Step 6: Final answer
    x = 512.11

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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.