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Finding the Fourth Proportional to 270.43, 372.68 and 192.67

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Solution

The fourth proportional to 270.43, 372.68 and 192.67 is: 265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.43 : 372.68 = 192.67 : x
  2. Step 2: Convert to fraction form
    270.43/372.68 = 192.67/x
  3. Step 3: Cross multiply
    270.43x = 372.68 × 192.67
  4. Step 4: Simplify right side
    270.43x = 71,803.29
  5. Step 5: Solve for x
    x = 71,803.29/270.43
  6. Step 6: Final answer
    x = 265.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.