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Finding the Fourth Proportional to 336.16, 503.96 and 119.68

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Solution

The fourth proportional to 336.16, 503.96 and 119.68 is: 179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.16 : 503.96 = 119.68 : x
  2. Step 2: Convert to fraction form
    336.16/503.96 = 119.68/x
  3. Step 3: Cross multiply
    336.16x = 503.96 × 119.68
  4. Step 4: Simplify right side
    336.16x = 60,313.93
  5. Step 5: Solve for x
    x = 60,313.93/336.16
  6. Step 6: Final answer
    x = 179.42

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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.