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Finding the Fourth Proportional to 460.89, 636.06 and 264.39

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Solution

The fourth proportional to 460.89, 636.06 and 264.39 is: 364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.89 : 636.06 = 264.39 : x
  2. Step 2: Convert to fraction form
    460.89/636.06 = 264.39/x
  3. Step 3: Cross multiply
    460.89x = 636.06 × 264.39
  4. Step 4: Simplify right side
    460.89x = 168,167.90
  5. Step 5: Solve for x
    x = 168,167.90/460.89
  6. Step 6: Final answer
    x = 364.88

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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.