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Finding the Fourth Proportional to 267.04, 400.62 and 190.03

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Solution

The fourth proportional to 267.04, 400.62 and 190.03 is: 285.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    267.04 : 400.62 = 190.03 : x
  2. Step 2: Convert to fraction form
    267.04/400.62 = 190.03/x
  3. Step 3: Cross multiply
    267.04x = 400.62 × 190.03
  4. Step 4: Simplify right side
    267.04x = 76,129.82
  5. Step 5: Solve for x
    x = 76,129.82/267.04
  6. Step 6: Final answer
    x = 285.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.