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Finding the Fourth Proportional to 697.62, 963.02 and 461.68

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Solution

The fourth proportional to 697.62, 963.02 and 461.68 is: 637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    697.62 : 963.02 = 461.68 : x
  2. Step 2: Convert to fraction form
    697.62/963.02 = 461.68/x
  3. Step 3: Cross multiply
    697.62x = 963.02 × 461.68
  4. Step 4: Simplify right side
    697.62x = 444,602.36
  5. Step 5: Solve for x
    x = 444,602.36/697.62
  6. Step 6: Final answer
    x = 637.31

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Double scale
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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.