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Finding the Fourth Proportional to 173.60, 240.76 and 165.60

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Solution

The fourth proportional to 173.60, 240.76 and 165.60 is: 229.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.60 : 240.76 = 165.60 : x
  2. Step 2: Convert to fraction form
    173.60/240.76 = 165.60/x
  3. Step 3: Cross multiply
    173.60x = 240.76 × 165.60
  4. Step 4: Simplify right side
    173.60x = 39,869.86
  5. Step 5: Solve for x
    x = 39,869.86/173.60
  6. Step 6: Final answer
    x = 229.67

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.