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Finding the Fourth Proportional to 183.35, 274.95 and 171.87

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Solution

The fourth proportional to 183.35, 274.95 and 171.87 is: 257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.35 : 274.95 = 171.87 : x
  2. Step 2: Convert to fraction form
    183.35/274.95 = 171.87/x
  3. Step 3: Cross multiply
    183.35x = 274.95 × 171.87
  4. Step 4: Simplify right side
    183.35x = 47,255.66
  5. Step 5: Solve for x
    x = 47,255.66/183.35
  6. Step 6: Final answer
    x = 257.74

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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.