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Finding the Fourth Proportional to 162.37, 223.97 and 125.52

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Solution

The fourth proportional to 162.37, 223.97 and 125.52 is: 173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.37 : 223.97 = 125.52 : x
  2. Step 2: Convert to fraction form
    162.37/223.97 = 125.52/x
  3. Step 3: Cross multiply
    162.37x = 223.97 × 125.52
  4. Step 4: Simplify right side
    162.37x = 28,112.71
  5. Step 5: Solve for x
    x = 28,112.71/162.37
  6. Step 6: Final answer
    x = 173.14

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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.