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Finding the Fourth Proportional to 694.84, 958.38 and 473.44

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Solution

The fourth proportional to 694.84, 958.38 and 473.44 is: 653.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.84 : 958.38 = 473.44 : x
  2. Step 2: Convert to fraction form
    694.84/958.38 = 473.44/x
  3. Step 3: Cross multiply
    694.84x = 958.38 × 473.44
  4. Step 4: Simplify right side
    694.84x = 453,735.43
  5. Step 5: Solve for x
    x = 453,735.43/694.84
  6. Step 6: Final answer
    x = 653.01

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1.5x scale

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.