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Finding the Fourth Proportional to 634.87, 954.15 and 310.47

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Solution

The fourth proportional to 634.87, 954.15 and 310.47 is: 466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.87 : 954.15 = 310.47 : x
  2. Step 2: Convert to fraction form
    634.87/954.15 = 310.47/x
  3. Step 3: Cross multiply
    634.87x = 954.15 × 310.47
  4. Step 4: Simplify right side
    634.87x = 296,230.21
  5. Step 5: Solve for x
    x = 296,230.21/634.87
  6. Step 6: Final answer
    x = 466.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.