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Finding the Fourth Proportional to 695.68, 960.36 and 548.92

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Solution

The fourth proportional to 695.68, 960.36 and 548.92 is: 757.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.68 : 960.36 = 548.92 : x
  2. Step 2: Convert to fraction form
    695.68/960.36 = 548.92/x
  3. Step 3: Cross multiply
    695.68x = 960.36 × 548.92
  4. Step 4: Simplify right side
    695.68x = 527,160.81
  5. Step 5: Solve for x
    x = 527,160.81/695.68
  6. Step 6: Final answer
    x = 757.76

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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.