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Finding the Fourth Proportional to 173.81, 240.02 and 124.94

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Solution

The fourth proportional to 173.81, 240.02 and 124.94 is: 172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.81 : 240.02 = 124.94 : x
  2. Step 2: Convert to fraction form
    173.81/240.02 = 124.94/x
  3. Step 3: Cross multiply
    173.81x = 240.02 × 124.94
  4. Step 4: Simplify right side
    173.81x = 29,986.27
  5. Step 5: Solve for x
    x = 29,986.27/173.81
  6. Step 6: Final answer
    x = 172.53

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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.