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Finding the Fourth Proportional to 237.99, 356.45 and 203.82

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Solution

The fourth proportional to 237.99, 356.45 and 203.82 is: 305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.99 : 356.45 = 203.82 : x
  2. Step 2: Convert to fraction form
    237.99/356.45 = 203.82/x
  3. Step 3: Cross multiply
    237.99x = 356.45 × 203.82
  4. Step 4: Simplify right side
    237.99x = 72,650.43
  5. Step 5: Solve for x
    x = 72,650.43/237.99
  6. Step 6: Final answer
    x = 305.27

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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.