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Finding the Fourth Proportional to 186.32, 281.45 and 184.83

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Solution

The fourth proportional to 186.32, 281.45 and 184.83 is: 279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.32 : 281.45 = 184.83 : x
  2. Step 2: Convert to fraction form
    186.32/281.45 = 184.83/x
  3. Step 3: Cross multiply
    186.32x = 281.45 × 184.83
  4. Step 4: Simplify right side
    186.32x = 52,019.48
  5. Step 5: Solve for x
    x = 52,019.48/186.32
  6. Step 6: Final answer
    x = 279.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.