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Finding the Fourth Proportional to 694.47, 958.18 and 546.65

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Solution

The fourth proportional to 694.47, 958.18 and 546.65 is: 754.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.47 : 958.18 = 546.65 : x
  2. Step 2: Convert to fraction form
    694.47/958.18 = 546.65/x
  3. Step 3: Cross multiply
    694.47x = 958.18 × 546.65
  4. Step 4: Simplify right side
    694.47x = 523,787.56
  5. Step 5: Solve for x
    x = 523,787.56/694.47
  6. Step 6: Final answer
    x = 754.22

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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.