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Finding the Fourth Proportional to 353.68, 527.74 and 351.66

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Solution

The fourth proportional to 353.68, 527.74 and 351.66 is: 524.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.68 : 527.74 = 351.66 : x
  2. Step 2: Convert to fraction form
    353.68/527.74 = 351.66/x
  3. Step 3: Cross multiply
    353.68x = 527.74 × 351.66
  4. Step 4: Simplify right side
    353.68x = 185,585.05
  5. Step 5: Solve for x
    x = 185,585.05/353.68
  6. Step 6: Final answer
    x = 524.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.