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Finding the Fourth Proportional to 341.48, 512.17 and 94.70

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Solution

The fourth proportional to 341.48, 512.17 and 94.70 is: 142.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.48 : 512.17 = 94.70 : x
  2. Step 2: Convert to fraction form
    341.48/512.17 = 94.70/x
  3. Step 3: Cross multiply
    341.48x = 512.17 × 94.70
  4. Step 4: Simplify right side
    341.48x = 48,503.54
  5. Step 5: Solve for x
    x = 48,503.54/341.48
  6. Step 6: Final answer
    x = 142.04

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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.