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Finding the Fourth Proportional to 351.59, 526.57 and 229.55

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Solution

The fourth proportional to 351.59, 526.57 and 229.55 is: 343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.59 : 526.57 = 229.55 : x
  2. Step 2: Convert to fraction form
    351.59/526.57 = 229.55/x
  3. Step 3: Cross multiply
    351.59x = 526.57 × 229.55
  4. Step 4: Simplify right side
    351.59x = 120,872.83
  5. Step 5: Solve for x
    x = 120,872.83/351.59
  6. Step 6: Final answer
    x = 343.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.