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Finding the Fourth Proportional to 174.21, 260.01 and 163.53

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Solution

The fourth proportional to 174.21, 260.01 and 163.53 is: 244.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.21 : 260.01 = 163.53 : x
  2. Step 2: Convert to fraction form
    174.21/260.01 = 163.53/x
  3. Step 3: Cross multiply
    174.21x = 260.01 × 163.53
  4. Step 4: Simplify right side
    174.21x = 42,519.44
  5. Step 5: Solve for x
    x = 42,519.44/174.21
  6. Step 6: Final answer
    x = 244.07

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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.