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Finding the Fourth Proportional to 186.55, 258.53 and 183.94

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Solution

The fourth proportional to 186.55, 258.53 and 183.94 is: 254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.55 : 258.53 = 183.94 : x
  2. Step 2: Convert to fraction form
    186.55/258.53 = 183.94/x
  3. Step 3: Cross multiply
    186.55x = 258.53 × 183.94
  4. Step 4: Simplify right side
    186.55x = 47,554.01
  5. Step 5: Solve for x
    x = 47,554.01/186.55
  6. Step 6: Final answer
    x = 254.91

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.