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Finding the Fourth Proportional to 177.78, 265.40 and 150.43

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Solution

The fourth proportional to 177.78, 265.40 and 150.43 is: 224.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.78 : 265.40 = 150.43 : x
  2. Step 2: Convert to fraction form
    177.78/265.40 = 150.43/x
  3. Step 3: Cross multiply
    177.78x = 265.40 × 150.43
  4. Step 4: Simplify right side
    177.78x = 39,923.37
  5. Step 5: Solve for x
    x = 39,923.37/177.78
  6. Step 6: Final answer
    x = 224.57

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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.