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Finding the Fourth Proportional to 618, 927.03 and 185.16

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Solution

The fourth proportional to 618, 927.03 and 185.16 is: 277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    618 : 927.03 = 185.16 : x
  2. Step 2: Convert to fraction form
    618/927.03 = 185.16/x
  3. Step 3: Cross multiply
    618x = 927.03 × 185.16
  4. Step 4: Simplify right side
    618x = 171,648.87
  5. Step 5: Solve for x
    x = 171,648.87/618
  6. Step 6: Final answer
    x = 277.75

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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.