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Finding the Fourth Proportional to 694.01, 958.00 and 431.98

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Solution

The fourth proportional to 694.01, 958.00 and 431.98 is: 596.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.01 : 958.00 = 431.98 : x
  2. Step 2: Convert to fraction form
    694.01/958.00 = 431.98/x
  3. Step 3: Cross multiply
    694.01x = 958.00 × 431.98
  4. Step 4: Simplify right side
    694.01x = 413,833.37
  5. Step 5: Solve for x
    x = 413,833.37/694.01
  6. Step 6: Final answer
    x = 596.29

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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.