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Finding the Fourth Proportional to 354.38, 534.11 and 334.53

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Solution

The fourth proportional to 354.38, 534.11 and 334.53 is: 504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.38 : 534.11 = 334.53 : x
  2. Step 2: Convert to fraction form
    354.38/534.11 = 334.53/x
  3. Step 3: Cross multiply
    354.38x = 534.11 × 334.53
  4. Step 4: Simplify right side
    354.38x = 178,674.15
  5. Step 5: Solve for x
    x = 178,674.15/354.38
  6. Step 6: Final answer
    x = 504.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.