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Finding the Fourth Proportional to 336.48, 464.32 and 216.71

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Solution

The fourth proportional to 336.48, 464.32 and 216.71 is: 299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.48 : 464.32 = 216.71 : x
  2. Step 2: Convert to fraction form
    336.48/464.32 = 216.71/x
  3. Step 3: Cross multiply
    336.48x = 464.32 × 216.71
  4. Step 4: Simplify right side
    336.48x = 100,619.92
  5. Step 5: Solve for x
    x = 100,619.92/336.48
  6. Step 6: Final answer
    x = 299.03

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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.