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Finding the Fourth Proportional to 695.01, 959.12 and 400.27

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Solution

The fourth proportional to 695.01, 959.12 and 400.27 is: 552.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.01 : 959.12 = 400.27 : x
  2. Step 2: Convert to fraction form
    695.01/959.12 = 400.27/x
  3. Step 3: Cross multiply
    695.01x = 959.12 × 400.27
  4. Step 4: Simplify right side
    695.01x = 383,906.96
  5. Step 5: Solve for x
    x = 383,906.96/695.01
  6. Step 6: Final answer
    x = 552.38

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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.