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Finding the Fourth Proportional to 336.57, 464.22 and 220.16

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Solution

The fourth proportional to 336.57, 464.22 and 220.16 is: 303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.57 : 464.22 = 220.16 : x
  2. Step 2: Convert to fraction form
    336.57/464.22 = 220.16/x
  3. Step 3: Cross multiply
    336.57x = 464.22 × 220.16
  4. Step 4: Simplify right side
    336.57x = 102,200.35
  5. Step 5: Solve for x
    x = 102,200.35/336.57
  6. Step 6: Final answer
    x = 303.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.