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Finding the Fourth Proportional to 461.08, 635.61 and 336.88

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Solution

The fourth proportional to 461.08, 635.61 and 336.88 is: 464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.08 : 635.61 = 336.88 : x
  2. Step 2: Convert to fraction form
    461.08/635.61 = 336.88/x
  3. Step 3: Cross multiply
    461.08x = 635.61 × 336.88
  4. Step 4: Simplify right side
    461.08x = 214,124.30
  5. Step 5: Solve for x
    x = 214,124.30/461.08
  6. Step 6: Final answer
    x = 464.40

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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.