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Finding the Fourth Proportional to 248.93, 371.64 and 190.83

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Solution

The fourth proportional to 248.93, 371.64 and 190.83 is: 284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.93 : 371.64 = 190.83 : x
  2. Step 2: Convert to fraction form
    248.93/371.64 = 190.83/x
  3. Step 3: Cross multiply
    248.93x = 371.64 × 190.83
  4. Step 4: Simplify right side
    248.93x = 70,920.06
  5. Step 5: Solve for x
    x = 70,920.06/248.93
  6. Step 6: Final answer
    x = 284.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.