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Finding the Fourth Proportional to 185.16, 276.54 and 159.54

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Solution

The fourth proportional to 185.16, 276.54 and 159.54 is: 238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.16 : 276.54 = 159.54 : x
  2. Step 2: Convert to fraction form
    185.16/276.54 = 159.54/x
  3. Step 3: Cross multiply
    185.16x = 276.54 × 159.54
  4. Step 4: Simplify right side
    185.16x = 44,119.19
  5. Step 5: Solve for x
    x = 44,119.19/185.16
  6. Step 6: Final answer
    x = 238.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.