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Finding the Fourth Proportional to 248.56, 373.26 and 176.68

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Solution

The fourth proportional to 248.56, 373.26 and 176.68 is: 265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.56 : 373.26 = 176.68 : x
  2. Step 2: Convert to fraction form
    248.56/373.26 = 176.68/x
  3. Step 3: Cross multiply
    248.56x = 373.26 × 176.68
  4. Step 4: Simplify right side
    248.56x = 65,947.58
  5. Step 5: Solve for x
    x = 65,947.58/248.56
  6. Step 6: Final answer
    x = 265.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.