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Finding the Fourth Proportional to 174.65, 262.25 and 168.12

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Solution

The fourth proportional to 174.65, 262.25 and 168.12 is: 252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.65 : 262.25 = 168.12 : x
  2. Step 2: Convert to fraction form
    174.65/262.25 = 168.12/x
  3. Step 3: Cross multiply
    174.65x = 262.25 × 168.12
  4. Step 4: Simplify right side
    174.65x = 44,088.63
  5. Step 5: Solve for x
    x = 44,088.63/174.65
  6. Step 6: Final answer
    x = 252.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.