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Finding the Fourth Proportional to 694.77, 958.67 and 446.04

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Solution

The fourth proportional to 694.77, 958.67 and 446.04 is: 615.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.77 : 958.67 = 446.04 : x
  2. Step 2: Convert to fraction form
    694.77/958.67 = 446.04/x
  3. Step 3: Cross multiply
    694.77x = 958.67 × 446.04
  4. Step 4: Simplify right side
    694.77x = 427,605.17
  5. Step 5: Solve for x
    x = 427,605.17/694.77
  6. Step 6: Final answer
    x = 615.46

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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.