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Finding the Fourth Proportional to 694.34, 957.06 and 544.70

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Solution

The fourth proportional to 694.34, 957.06 and 544.70 is: 750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.34 : 957.06 = 544.70 : x
  2. Step 2: Convert to fraction form
    694.34/957.06 = 544.70/x
  3. Step 3: Cross multiply
    694.34x = 957.06 × 544.70
  4. Step 4: Simplify right side
    694.34x = 521,310.58
  5. Step 5: Solve for x
    x = 521,310.58/694.34
  6. Step 6: Final answer
    x = 750.80

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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.