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Finding the Fourth Proportional to 183.91, 253.85 and 110.23

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Solution

The fourth proportional to 183.91, 253.85 and 110.23 is: 152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.91 : 253.85 = 110.23 : x
  2. Step 2: Convert to fraction form
    183.91/253.85 = 110.23/x
  3. Step 3: Cross multiply
    183.91x = 253.85 × 110.23
  4. Step 4: Simplify right side
    183.91x = 27,981.89
  5. Step 5: Solve for x
    x = 27,981.89/183.91
  6. Step 6: Final answer
    x = 152.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.