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Finding the Fourth Proportional to 185.04, 255.51 and 126.99

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Solution

The fourth proportional to 185.04, 255.51 and 126.99 is: 175.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.04 : 255.51 = 126.99 : x
  2. Step 2: Convert to fraction form
    185.04/255.51 = 126.99/x
  3. Step 3: Cross multiply
    185.04x = 255.51 × 126.99
  4. Step 4: Simplify right side
    185.04x = 32,447.21
  5. Step 5: Solve for x
    x = 32,447.21/185.04
  6. Step 6: Final answer
    x = 175.35

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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.