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Finding the Fourth Proportional to 797, 1,195.50 and 341

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Solution

The fourth proportional to 797, 1,195.50 and 341 is: 511.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    797 : 1,195.50 = 341 : x
  2. Step 2: Convert to fraction form
    797/1,195.50 = 341/x
  3. Step 3: Cross multiply
    797x = 1,195.50 × 341
  4. Step 4: Simplify right side
    797x = 407,665.50
  5. Step 5: Solve for x
    x = 407,665.50/797
  6. Step 6: Final answer
    x = 511.50

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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.