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Finding the Fourth Proportional to 353.07, 529.74 and 170.37

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Solution

The fourth proportional to 353.07, 529.74 and 170.37 is: 255.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.07 : 529.74 = 170.37 : x
  2. Step 2: Convert to fraction form
    353.07/529.74 = 170.37/x
  3. Step 3: Cross multiply
    353.07x = 529.74 × 170.37
  4. Step 4: Simplify right side
    353.07x = 90,251.80
  5. Step 5: Solve for x
    x = 90,251.80/353.07
  6. Step 6: Final answer
    x = 255.62

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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.