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Finding the Fourth Proportional to 173.44, 240.43 and 162.40

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Solution

The fourth proportional to 173.44, 240.43 and 162.40 is: 225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.44 : 240.43 = 162.40 : x
  2. Step 2: Convert to fraction form
    173.44/240.43 = 162.40/x
  3. Step 3: Cross multiply
    173.44x = 240.43 × 162.40
  4. Step 4: Simplify right side
    173.44x = 39,045.83
  5. Step 5: Solve for x
    x = 39,045.83/173.44
  6. Step 6: Final answer
    x = 225.13

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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.