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Finding the Fourth Proportional to 341.77, 512.72 and 195.59

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Solution

The fourth proportional to 341.77, 512.72 and 195.59 is: 293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.77 : 512.72 = 195.59 : x
  2. Step 2: Convert to fraction form
    341.77/512.72 = 195.59/x
  3. Step 3: Cross multiply
    341.77x = 512.72 × 195.59
  4. Step 4: Simplify right side
    341.77x = 100,282.23
  5. Step 5: Solve for x
    x = 100,282.23/341.77
  6. Step 6: Final answer
    x = 293.42

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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.