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Finding the Fourth Proportional to 274, 375.32 and 248.08

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Solution

The fourth proportional to 274, 375.32 and 248.08 is: 339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    274 : 375.32 = 248.08 : x
  2. Step 2: Convert to fraction form
    274/375.32 = 248.08/x
  3. Step 3: Cross multiply
    274x = 375.32 × 248.08
  4. Step 4: Simplify right side
    274x = 93,109.39
  5. Step 5: Solve for x
    x = 93,109.39/274
  6. Step 6: Final answer
    x = 339.82

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.