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Finding the Fourth Proportional to 301.59, 416.22 and 177.27

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Solution

The fourth proportional to 301.59, 416.22 and 177.27 is: 244.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.59 : 416.22 = 177.27 : x
  2. Step 2: Convert to fraction form
    301.59/416.22 = 177.27/x
  3. Step 3: Cross multiply
    301.59x = 416.22 × 177.27
  4. Step 4: Simplify right side
    301.59x = 73,783.32
  5. Step 5: Solve for x
    x = 73,783.32/301.59
  6. Step 6: Final answer
    x = 244.65

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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.