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Finding the Fourth Proportional to 341.63, 471.36 and 254.15

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Solution

The fourth proportional to 341.63, 471.36 and 254.15 is: 350.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.63 : 471.36 = 254.15 : x
  2. Step 2: Convert to fraction form
    341.63/471.36 = 254.15/x
  3. Step 3: Cross multiply
    341.63x = 471.36 × 254.15
  4. Step 4: Simplify right side
    341.63x = 119,797.32
  5. Step 5: Solve for x
    x = 119,797.32/341.63
  6. Step 6: Final answer
    x = 350.66

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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.