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Finding the Fourth Proportional to 400.36, 552.52 and 301.96

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Solution

The fourth proportional to 400.36, 552.52 and 301.96 is: 416.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.36 : 552.52 = 301.96 : x
  2. Step 2: Convert to fraction form
    400.36/552.52 = 301.96/x
  3. Step 3: Cross multiply
    400.36x = 552.52 × 301.96
  4. Step 4: Simplify right side
    400.36x = 166,838.94
  5. Step 5: Solve for x
    x = 166,838.94/400.36
  6. Step 6: Final answer
    x = 416.72

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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.