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Finding the Fourth Proportional to 248.00, 369.08 and 240.71

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Solution

The fourth proportional to 248.00, 369.08 and 240.71 is: 358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.00 : 369.08 = 240.71 : x
  2. Step 2: Convert to fraction form
    248.00/369.08 = 240.71/x
  3. Step 3: Cross multiply
    248.00x = 369.08 × 240.71
  4. Step 4: Simplify right side
    248.00x = 88,840.97
  5. Step 5: Solve for x
    x = 88,840.97/248.00
  6. Step 6: Final answer
    x = 358.23

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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.