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Finding the Fourth Proportional to 186.10, 277.44 and 171.52

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Solution

The fourth proportional to 186.10, 277.44 and 171.52 is: 255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.10 : 277.44 = 171.52 : x
  2. Step 2: Convert to fraction form
    186.10/277.44 = 171.52/x
  3. Step 3: Cross multiply
    186.10x = 277.44 × 171.52
  4. Step 4: Simplify right side
    186.10x = 47,585.41
  5. Step 5: Solve for x
    x = 47,585.41/186.10
  6. Step 6: Final answer
    x = 255.70

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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.