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Finding the Fourth Proportional to 248.43, 373.26 and 187.38

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Solution

The fourth proportional to 248.43, 373.26 and 187.38 is: 281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.43 : 373.26 = 187.38 : x
  2. Step 2: Convert to fraction form
    248.43/373.26 = 187.38/x
  3. Step 3: Cross multiply
    248.43x = 373.26 × 187.38
  4. Step 4: Simplify right side
    248.43x = 69,941.46
  5. Step 5: Solve for x
    x = 69,941.46/248.43
  6. Step 6: Final answer
    x = 281.53

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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.