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Finding the Fourth Proportional to 183.42, 274.95 and 102.33

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Solution

The fourth proportional to 183.42, 274.95 and 102.33 is: 153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.42 : 274.95 = 102.33 : x
  2. Step 2: Convert to fraction form
    183.42/274.95 = 102.33/x
  3. Step 3: Cross multiply
    183.42x = 274.95 × 102.33
  4. Step 4: Simplify right side
    183.42x = 28,135.63
  5. Step 5: Solve for x
    x = 28,135.63/183.42
  6. Step 6: Final answer
    x = 153.39

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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.