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Finding the Fourth Proportional to 336.20, 504.44 and 228.16

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Solution

The fourth proportional to 336.20, 504.44 and 228.16 is: 342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.20 : 504.44 = 228.16 : x
  2. Step 2: Convert to fraction form
    336.20/504.44 = 228.16/x
  3. Step 3: Cross multiply
    336.20x = 504.44 × 228.16
  4. Step 4: Simplify right side
    336.20x = 115,092.34
  5. Step 5: Solve for x
    x = 115,092.34/336.20
  6. Step 6: Final answer
    x = 342.34

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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.