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Finding the Fourth Proportional to 192.92, 289.71 and 184.23

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Solution

The fourth proportional to 192.92, 289.71 and 184.23 is: 276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.92 : 289.71 = 184.23 : x
  2. Step 2: Convert to fraction form
    192.92/289.71 = 184.23/x
  3. Step 3: Cross multiply
    192.92x = 289.71 × 184.23
  4. Step 4: Simplify right side
    192.92x = 53,373.27
  5. Step 5: Solve for x
    x = 53,373.27/192.92
  6. Step 6: Final answer
    x = 276.67

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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.