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Finding the Fourth Proportional to 694.52, 957.54 and 576.06

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Solution

The fourth proportional to 694.52, 957.54 and 576.06 is: 794.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.52 : 957.54 = 576.06 : x
  2. Step 2: Convert to fraction form
    694.52/957.54 = 576.06/x
  3. Step 3: Cross multiply
    694.52x = 957.54 × 576.06
  4. Step 4: Simplify right side
    694.52x = 551,600.49
  5. Step 5: Solve for x
    x = 551,600.49/694.52
  6. Step 6: Final answer
    x = 794.22

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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.