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Finding the Fourth Proportional to 248.59, 370.94 and 222.63

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Solution

The fourth proportional to 248.59, 370.94 and 222.63 is: 332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.59 : 370.94 = 222.63 : x
  2. Step 2: Convert to fraction form
    248.59/370.94 = 222.63/x
  3. Step 3: Cross multiply
    248.59x = 370.94 × 222.63
  4. Step 4: Simplify right side
    248.59x = 82,582.37
  5. Step 5: Solve for x
    x = 82,582.37/248.59
  6. Step 6: Final answer
    x = 332.20

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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.