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Finding the Fourth Proportional to 485.24, 667.94 and 460.62

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Solution

The fourth proportional to 485.24, 667.94 and 460.62 is: 634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    485.24 : 667.94 = 460.62 : x
  2. Step 2: Convert to fraction form
    485.24/667.94 = 460.62/x
  3. Step 3: Cross multiply
    485.24x = 667.94 × 460.62
  4. Step 4: Simplify right side
    485.24x = 307,664.22
  5. Step 5: Solve for x
    x = 307,664.22/485.24
  6. Step 6: Final answer
    x = 634.05

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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.