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Finding the Fourth Proportional to 400.01, 552.29 and 250.69

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Solution

The fourth proportional to 400.01, 552.29 and 250.69 is: 346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.01 : 552.29 = 250.69 : x
  2. Step 2: Convert to fraction form
    400.01/552.29 = 250.69/x
  3. Step 3: Cross multiply
    400.01x = 552.29 × 250.69
  4. Step 4: Simplify right side
    400.01x = 138,453.58
  5. Step 5: Solve for x
    x = 138,453.58/400.01
  6. Step 6: Final answer
    x = 346.13

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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.