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Finding the Fourth Proportional to 183.16, 274.44 and 164.98

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Solution

The fourth proportional to 183.16, 274.44 and 164.98 is: 247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.16 : 274.44 = 164.98 : x
  2. Step 2: Convert to fraction form
    183.16/274.44 = 164.98/x
  3. Step 3: Cross multiply
    183.16x = 274.44 × 164.98
  4. Step 4: Simplify right side
    183.16x = 45,277.11
  5. Step 5: Solve for x
    x = 45,277.11/183.16
  6. Step 6: Final answer
    x = 247.20

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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.