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Finding the Fourth Proportional to 351.33, 526.99 and 229.69

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Solution

The fourth proportional to 351.33, 526.99 and 229.69 is: 344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.33 : 526.99 = 229.69 : x
  2. Step 2: Convert to fraction form
    351.33/526.99 = 229.69/x
  3. Step 3: Cross multiply
    351.33x = 526.99 × 229.69
  4. Step 4: Simplify right side
    351.33x = 121,044.33
  5. Step 5: Solve for x
    x = 121,044.33/351.33
  6. Step 6: Final answer
    x = 344.53

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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.