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Finding the Fourth Proportional to 634.73, 953.04 and 517.95

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Solution

The fourth proportional to 634.73, 953.04 and 517.95 is: 777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    634.73 : 953.04 = 517.95 : x
  2. Step 2: Convert to fraction form
    634.73/953.04 = 517.95/x
  3. Step 3: Cross multiply
    634.73x = 953.04 × 517.95
  4. Step 4: Simplify right side
    634.73x = 493,627.07
  5. Step 5: Solve for x
    x = 493,627.07/634.73
  6. Step 6: Final answer
    x = 777.70

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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.