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Finding the Fourth Proportional to 694.52, 958.55 and 473.55

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Solution

The fourth proportional to 694.52, 958.55 and 473.55 is: 653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.52 : 958.55 = 473.55 : x
  2. Step 2: Convert to fraction form
    694.52/958.55 = 473.55/x
  3. Step 3: Cross multiply
    694.52x = 958.55 × 473.55
  4. Step 4: Simplify right side
    694.52x = 453,918.98
  5. Step 5: Solve for x
    x = 453,918.98/694.52
  6. Step 6: Final answer
    x = 653.58

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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.