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Finding the Fourth Proportional to 694.39, 957.67 and 546.79

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Solution

The fourth proportional to 694.39, 957.67 and 546.79 is: 754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.39 : 957.67 = 546.79 : x
  2. Step 2: Convert to fraction form
    694.39/957.67 = 546.79/x
  3. Step 3: Cross multiply
    694.39x = 957.67 × 546.79
  4. Step 4: Simplify right side
    694.39x = 523,644.38
  5. Step 5: Solve for x
    x = 523,644.38/694.39
  6. Step 6: Final answer
    x = 754.11

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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.