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Finding the Fourth Proportional to 227.59, 313.89 and 186.07

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Solution

The fourth proportional to 227.59, 313.89 and 186.07 is: 256.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.59 : 313.89 = 186.07 : x
  2. Step 2: Convert to fraction form
    227.59/313.89 = 186.07/x
  3. Step 3: Cross multiply
    227.59x = 313.89 × 186.07
  4. Step 4: Simplify right side
    227.59x = 58,405.51
  5. Step 5: Solve for x
    x = 58,405.51/227.59
  6. Step 6: Final answer
    x = 256.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.