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Finding the Fourth Proportional to 183.24, 274.78 and 170.18

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Solution

The fourth proportional to 183.24, 274.78 and 170.18 is: 255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.24 : 274.78 = 170.18 : x
  2. Step 2: Convert to fraction form
    183.24/274.78 = 170.18/x
  3. Step 3: Cross multiply
    183.24x = 274.78 × 170.18
  4. Step 4: Simplify right side
    183.24x = 46,762.06
  5. Step 5: Solve for x
    x = 46,762.06/183.24
  6. Step 6: Final answer
    x = 255.20

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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.