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Finding the Fourth Proportional to 237.02, 355.62 and 92.68

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Solution

The fourth proportional to 237.02, 355.62 and 92.68 is: 139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.02 : 355.62 = 92.68 : x
  2. Step 2: Convert to fraction form
    237.02/355.62 = 92.68/x
  3. Step 3: Cross multiply
    237.02x = 355.62 × 92.68
  4. Step 4: Simplify right side
    237.02x = 32,958.86
  5. Step 5: Solve for x
    x = 32,958.86/237.02
  6. Step 6: Final answer
    x = 139.06

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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.