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Finding the Fourth Proportional to 341.73, 471.51 and 217.44

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Solution

The fourth proportional to 341.73, 471.51 and 217.44 is: 300.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.73 : 471.51 = 217.44 : x
  2. Step 2: Convert to fraction form
    341.73/471.51 = 217.44/x
  3. Step 3: Cross multiply
    341.73x = 471.51 × 217.44
  4. Step 4: Simplify right side
    341.73x = 102,525.13
  5. Step 5: Solve for x
    x = 102,525.13/341.73
  6. Step 6: Final answer
    x = 300.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.