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Finding the Fourth Proportional to 695.94, 958.68 and 694.32

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Solution

The fourth proportional to 695.94, 958.68 and 694.32 is: 956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.94 : 958.68 = 694.32 : x
  2. Step 2: Convert to fraction form
    695.94/958.68 = 694.32/x
  3. Step 3: Cross multiply
    695.94x = 958.68 × 694.32
  4. Step 4: Simplify right side
    695.94x = 665,630.70
  5. Step 5: Solve for x
    x = 665,630.70/695.94
  6. Step 6: Final answer
    x = 956.45

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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.