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Finding the Fourth Proportional to 248.56, 370.36 and 246.16

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Solution

The fourth proportional to 248.56, 370.36 and 246.16 is: 366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.56 : 370.36 = 246.16 : x
  2. Step 2: Convert to fraction form
    248.56/370.36 = 246.16/x
  3. Step 3: Cross multiply
    248.56x = 370.36 × 246.16
  4. Step 4: Simplify right side
    248.56x = 91,167.82
  5. Step 5: Solve for x
    x = 91,167.82/248.56
  6. Step 6: Final answer
    x = 366.78

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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.