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Finding the Fourth Proportional to 344.30, 475.18 and 204.54

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Solution

The fourth proportional to 344.30, 475.18 and 204.54 is: 282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.30 : 475.18 = 204.54 : x
  2. Step 2: Convert to fraction form
    344.30/475.18 = 204.54/x
  3. Step 3: Cross multiply
    344.30x = 475.18 × 204.54
  4. Step 4: Simplify right side
    344.30x = 97,193.32
  5. Step 5: Solve for x
    x = 97,193.32/344.30
  6. Step 6: Final answer
    x = 282.29

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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.