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Finding the Fourth Proportional to 185.24, 255.59 and 102.35

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Solution

The fourth proportional to 185.24, 255.59 and 102.35 is: 141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.24 : 255.59 = 102.35 : x
  2. Step 2: Convert to fraction form
    185.24/255.59 = 102.35/x
  3. Step 3: Cross multiply
    185.24x = 255.59 × 102.35
  4. Step 4: Simplify right side
    185.24x = 26,158.36
  5. Step 5: Solve for x
    x = 26,158.36/185.24
  6. Step 6: Final answer
    x = 141.22

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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.