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Finding the Fourth Proportional to 381.26, 526.04 and 226.02

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Solution

The fourth proportional to 381.26, 526.04 and 226.02 is: 311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    381.26 : 526.04 = 226.02 : x
  2. Step 2: Convert to fraction form
    381.26/526.04 = 226.02/x
  3. Step 3: Cross multiply
    381.26x = 526.04 × 226.02
  4. Step 4: Simplify right side
    381.26x = 118,895.56
  5. Step 5: Solve for x
    x = 118,895.56/381.26
  6. Step 6: Final answer
    x = 311.85

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