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Finding the Fourth Proportional to 352.43, 527.93 and 169.28

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Solution

The fourth proportional to 352.43, 527.93 and 169.28 is: 253.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.43 : 527.93 = 169.28 : x
  2. Step 2: Convert to fraction form
    352.43/527.93 = 169.28/x
  3. Step 3: Cross multiply
    352.43x = 527.93 × 169.28
  4. Step 4: Simplify right side
    352.43x = 89,365.35
  5. Step 5: Solve for x
    x = 89,365.35/352.43
  6. Step 6: Final answer
    x = 253.57

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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.