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Finding the Fourth Proportional to 177.21, 264.24 and 173.07

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Solution

The fourth proportional to 177.21, 264.24 and 173.07 is: 258.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.21 : 264.24 = 173.07 : x
  2. Step 2: Convert to fraction form
    177.21/264.24 = 173.07/x
  3. Step 3: Cross multiply
    177.21x = 264.24 × 173.07
  4. Step 4: Simplify right side
    177.21x = 45,732.02
  5. Step 5: Solve for x
    x = 45,732.02/177.21
  6. Step 6: Final answer
    x = 258.07

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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.