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Finding the Fourth Proportional to 336.16, 503.68 and 227.68

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Solution

The fourth proportional to 336.16, 503.68 and 227.68 is: 341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.16 : 503.68 = 227.68 : x
  2. Step 2: Convert to fraction form
    336.16/503.68 = 227.68/x
  3. Step 3: Cross multiply
    336.16x = 503.68 × 227.68
  4. Step 4: Simplify right side
    336.16x = 114,677.86
  5. Step 5: Solve for x
    x = 114,677.86/336.16
  6. Step 6: Final answer
    x = 341.14

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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.