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Finding the Fourth Proportional to 248.26, 370.58 and 229.93

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Solution

The fourth proportional to 248.26, 370.58 and 229.93 is: 343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.26 : 370.58 = 229.93 : x
  2. Step 2: Convert to fraction form
    248.26/370.58 = 229.93/x
  3. Step 3: Cross multiply
    248.26x = 370.58 × 229.93
  4. Step 4: Simplify right side
    248.26x = 85,207.46
  5. Step 5: Solve for x
    x = 85,207.46/248.26
  6. Step 6: Final answer
    x = 343.22

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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.