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Finding the Fourth Proportional to 467.60, 644.22 and 336.38

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Solution

The fourth proportional to 467.60, 644.22 and 336.38 is: 463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.60 : 644.22 = 336.38 : x
  2. Step 2: Convert to fraction form
    467.60/644.22 = 336.38/x
  3. Step 3: Cross multiply
    467.60x = 644.22 × 336.38
  4. Step 4: Simplify right side
    467.60x = 216,699.50
  5. Step 5: Solve for x
    x = 216,699.50/467.60
  6. Step 6: Final answer
    x = 463.43

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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.