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Finding the Fourth Proportional to 460.18, 634.90 and 361.62

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Solution

The fourth proportional to 460.18, 634.90 and 361.62 is: 498.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    460.18 : 634.90 = 361.62 : x
  2. Step 2: Convert to fraction form
    460.18/634.90 = 361.62/x
  3. Step 3: Cross multiply
    460.18x = 634.90 × 361.62
  4. Step 4: Simplify right side
    460.18x = 229,592.54
  5. Step 5: Solve for x
    x = 229,592.54/460.18
  6. Step 6: Final answer
    x = 498.92

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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.