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Finding the Fourth Proportional to 237.43, 356.45 and 201.59

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Solution

The fourth proportional to 237.43, 356.45 and 201.59 is: 302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.43 : 356.45 = 201.59 : x
  2. Step 2: Convert to fraction form
    237.43/356.45 = 201.59/x
  3. Step 3: Cross multiply
    237.43x = 356.45 × 201.59
  4. Step 4: Simplify right side
    237.43x = 71,856.76
  5. Step 5: Solve for x
    x = 71,856.76/237.43
  6. Step 6: Final answer
    x = 302.64

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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.