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Finding the Fourth Proportional to 697.94, 963.26 and 436.04

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Solution

The fourth proportional to 697.94, 963.26 and 436.04 is: 601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.94 : 963.26 = 436.04 : x
  2. Step 2: Convert to fraction form
    697.94/963.26 = 436.04/x
  3. Step 3: Cross multiply
    697.94x = 963.26 × 436.04
  4. Step 4: Simplify right side
    697.94x = 420,012.89
  5. Step 5: Solve for x
    x = 420,012.89/697.94
  6. Step 6: Final answer
    x = 601.79

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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.