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Finding the Fourth Proportional to 400.01, 551.84 and 265.46

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Solution

The fourth proportional to 400.01, 551.84 and 265.46 is: 366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    400.01 : 551.84 = 265.46 : x
  2. Step 2: Convert to fraction form
    400.01/551.84 = 265.46/x
  3. Step 3: Cross multiply
    400.01x = 551.84 × 265.46
  4. Step 4: Simplify right side
    400.01x = 146,487.36
  5. Step 5: Solve for x
    x = 146,487.36/400.01
  6. Step 6: Final answer
    x = 366.21

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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.