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Finding the Fourth Proportional to 173.55, 239.62 and 162.53

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Solution

The fourth proportional to 173.55, 239.62 and 162.53 is: 224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.55 : 239.62 = 162.53 : x
  2. Step 2: Convert to fraction form
    173.55/239.62 = 162.53/x
  3. Step 3: Cross multiply
    173.55x = 239.62 × 162.53
  4. Step 4: Simplify right side
    173.55x = 38,945.44
  5. Step 5: Solve for x
    x = 38,945.44/173.55
  6. Step 6: Final answer
    x = 224.40

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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.