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Finding the Fourth Proportional to 696.82, 960.96 and 603.52

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Solution

The fourth proportional to 696.82, 960.96 and 603.52 is: 832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.82 : 960.96 = 603.52 : x
  2. Step 2: Convert to fraction form
    696.82/960.96 = 603.52/x
  3. Step 3: Cross multiply
    696.82x = 960.96 × 603.52
  4. Step 4: Simplify right side
    696.82x = 579,958.58
  5. Step 5: Solve for x
    x = 579,958.58/696.82
  6. Step 6: Final answer
    x = 832.29

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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.