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Finding the Fourth Proportional to 176.45, 265.25 and 163.77

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Solution

The fourth proportional to 176.45, 265.25 and 163.77 is: 246.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.45 : 265.25 = 163.77 : x
  2. Step 2: Convert to fraction form
    176.45/265.25 = 163.77/x
  3. Step 3: Cross multiply
    176.45x = 265.25 × 163.77
  4. Step 4: Simplify right side
    176.45x = 43,440.44
  5. Step 5: Solve for x
    x = 43,440.44/176.45
  6. Step 6: Final answer
    x = 246.19

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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.