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Finding the Fourth Proportional to 177.23, 244.52 and 156.37

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Solution

The fourth proportional to 177.23, 244.52 and 156.37 is: 215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.23 : 244.52 = 156.37 : x
  2. Step 2: Convert to fraction form
    177.23/244.52 = 156.37/x
  3. Step 3: Cross multiply
    177.23x = 244.52 × 156.37
  4. Step 4: Simplify right side
    177.23x = 38,234.37
  5. Step 5: Solve for x
    x = 38,234.37/177.23
  6. Step 6: Final answer
    x = 215.74

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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.