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Finding the Fourth Proportional to 182.93, 274.28 and 67.36

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Solution

The fourth proportional to 182.93, 274.28 and 67.36 is: 100.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.93 : 274.28 = 67.36 : x
  2. Step 2: Convert to fraction form
    182.93/274.28 = 67.36/x
  3. Step 3: Cross multiply
    182.93x = 274.28 × 67.36
  4. Step 4: Simplify right side
    182.93x = 18,474.98
  5. Step 5: Solve for x
    x = 18,474.98/182.93
  6. Step 6: Final answer
    x = 100.99

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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.