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Finding the Fourth Proportional to 464.24, 640.64 and 333.44

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Solution

The fourth proportional to 464.24, 640.64 and 333.44 is: 460.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.24 : 640.64 = 333.44 : x
  2. Step 2: Convert to fraction form
    464.24/640.64 = 333.44/x
  3. Step 3: Cross multiply
    464.24x = 640.64 × 333.44
  4. Step 4: Simplify right side
    464.24x = 213,615.00
  5. Step 5: Solve for x
    x = 213,615.00/464.24
  6. Step 6: Final answer
    x = 460.14

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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.