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Finding the Fourth Proportional to 533.70, 796.94 and 436.38

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Solution

The fourth proportional to 533.70, 796.94 and 436.38 is: 651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.70 : 796.94 = 436.38 : x
  2. Step 2: Convert to fraction form
    533.70/796.94 = 436.38/x
  3. Step 3: Cross multiply
    533.70x = 796.94 × 436.38
  4. Step 4: Simplify right side
    533.70x = 347,766.50
  5. Step 5: Solve for x
    x = 347,766.50/533.70
  6. Step 6: Final answer
    x = 651.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.