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Finding the Fourth Proportional to 336.52, 504.86 and 165.56

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Solution

The fourth proportional to 336.52, 504.86 and 165.56 is: 248.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.52 : 504.86 = 165.56 : x
  2. Step 2: Convert to fraction form
    336.52/504.86 = 165.56/x
  3. Step 3: Cross multiply
    336.52x = 504.86 × 165.56
  4. Step 4: Simplify right side
    336.52x = 83,584.62
  5. Step 5: Solve for x
    x = 83,584.62/336.52
  6. Step 6: Final answer
    x = 248.38

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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.