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Finding the Fourth Proportional to 695.16, 958.99 and 400.27

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Solution

The fourth proportional to 695.16, 958.99 and 400.27 is: 552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.16 : 958.99 = 400.27 : x
  2. Step 2: Convert to fraction form
    695.16/958.99 = 400.27/x
  3. Step 3: Cross multiply
    695.16x = 958.99 × 400.27
  4. Step 4: Simplify right side
    695.16x = 383,851.38
  5. Step 5: Solve for x
    x = 383,851.38/695.16
  6. Step 6: Final answer
    x = 552.18

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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.