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Finding the Fourth Proportional to 183.16, 274.74 and 61.52

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Solution

The fourth proportional to 183.16, 274.74 and 61.52 is: 92.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.16 : 274.74 = 61.52 : x
  2. Step 2: Convert to fraction form
    183.16/274.74 = 61.52/x
  3. Step 3: Cross multiply
    183.16x = 274.74 × 61.52
  4. Step 4: Simplify right side
    183.16x = 16,902.00
  5. Step 5: Solve for x
    x = 16,902.00/183.16
  6. Step 6: Final answer
    x = 92.28

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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.