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Finding the Fourth Proportional to 227.03, 342.20 and 186.93

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Solution

The fourth proportional to 227.03, 342.20 and 186.93 is: 281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.03 : 342.20 = 186.93 : x
  2. Step 2: Convert to fraction form
    227.03/342.20 = 186.93/x
  3. Step 3: Cross multiply
    227.03x = 342.20 × 186.93
  4. Step 4: Simplify right side
    227.03x = 63,966.51
  5. Step 5: Solve for x
    x = 63,966.51/227.03
  6. Step 6: Final answer
    x = 281.76

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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.