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Finding the Fourth Proportional to 336.64, 466.72 and 324.76

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Solution

The fourth proportional to 336.64, 466.72 and 324.76 is: 450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.64 : 466.72 = 324.76 : x
  2. Step 2: Convert to fraction form
    336.64/466.72 = 324.76/x
  3. Step 3: Cross multiply
    336.64x = 466.72 × 324.76
  4. Step 4: Simplify right side
    336.64x = 151,571.99
  5. Step 5: Solve for x
    x = 151,571.99/336.64
  6. Step 6: Final answer
    x = 450.25

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.