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Finding the Fourth Proportional to 341.62, 512.08 and 195.18

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Solution

The fourth proportional to 341.62, 512.08 and 195.18 is: 292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.62 : 512.08 = 195.18 : x
  2. Step 2: Convert to fraction form
    341.62/512.08 = 195.18/x
  3. Step 3: Cross multiply
    341.62x = 512.08 × 195.18
  4. Step 4: Simplify right side
    341.62x = 99,947.77
  5. Step 5: Solve for x
    x = 99,947.77/341.62
  6. Step 6: Final answer
    x = 292.57

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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.