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Finding the Fourth Proportional to 695.06, 959.30 and 400.26

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Solution

The fourth proportional to 695.06, 959.30 and 400.26 is: 552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.06 : 959.30 = 400.26 : x
  2. Step 2: Convert to fraction form
    695.06/959.30 = 400.26/x
  3. Step 3: Cross multiply
    695.06x = 959.30 × 400.26
  4. Step 4: Simplify right side
    695.06x = 383,969.42
  5. Step 5: Solve for x
    x = 383,969.42/695.06
  6. Step 6: Final answer
    x = 552.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.