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Finding the Fourth Proportional to 253.06, 378.94 and 184.52

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Solution

The fourth proportional to 253.06, 378.94 and 184.52 is: 276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.06 : 378.94 = 184.52 : x
  2. Step 2: Convert to fraction form
    253.06/378.94 = 184.52/x
  3. Step 3: Cross multiply
    253.06x = 378.94 × 184.52
  4. Step 4: Simplify right side
    253.06x = 69,922.01
  5. Step 5: Solve for x
    x = 69,922.01/253.06
  6. Step 6: Final answer
    x = 276.31

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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.