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Finding the Fourth Proportional to 270.37, 404.52 and 193.47

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Solution

The fourth proportional to 270.37, 404.52 and 193.47 is: 289.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.37 : 404.52 = 193.47 : x
  2. Step 2: Convert to fraction form
    270.37/404.52 = 193.47/x
  3. Step 3: Cross multiply
    270.37x = 404.52 × 193.47
  4. Step 4: Simplify right side
    270.37x = 78,262.48
  5. Step 5: Solve for x
    x = 78,262.48/270.37
  6. Step 6: Final answer
    x = 289.46

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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.