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Finding the Fourth Proportional to 173.17, 238.60 and 148.26

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Solution

The fourth proportional to 173.17, 238.60 and 148.26 is: 204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.17 : 238.60 = 148.26 : x
  2. Step 2: Convert to fraction form
    173.17/238.60 = 148.26/x
  3. Step 3: Cross multiply
    173.17x = 238.60 × 148.26
  4. Step 4: Simplify right side
    173.17x = 35,374.09
  5. Step 5: Solve for x
    x = 35,374.09/173.17
  6. Step 6: Final answer
    x = 204.28

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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.