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Finding the Fourth Proportional to 400.07, 551.97 and 234.17

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Solution

The fourth proportional to 400.07, 551.97 and 234.17 is: 323.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.07 : 551.97 = 234.17 : x
  2. Step 2: Convert to fraction form
    400.07/551.97 = 234.17/x
  3. Step 3: Cross multiply
    400.07x = 551.97 × 234.17
  4. Step 4: Simplify right side
    400.07x = 129,254.81
  5. Step 5: Solve for x
    x = 129,254.81/400.07
  6. Step 6: Final answer
    x = 323.08

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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.