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Finding the Fourth Proportional to 254.44, 350.40 and 176.68

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Solution

The fourth proportional to 254.44, 350.40 and 176.68 is: 243.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.44 : 350.40 = 176.68 : x
  2. Step 2: Convert to fraction form
    254.44/350.40 = 176.68/x
  3. Step 3: Cross multiply
    254.44x = 350.40 × 176.68
  4. Step 4: Simplify right side
    254.44x = 61,908.67
  5. Step 5: Solve for x
    x = 61,908.67/254.44
  6. Step 6: Final answer
    x = 243.31

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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.