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Finding the Fourth Proportional to 248.37, 340.80 and 245.94

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Solution

The fourth proportional to 248.37, 340.80 and 245.94 is: 337.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.37 : 340.80 = 245.94 : x
  2. Step 2: Convert to fraction form
    248.37/340.80 = 245.94/x
  3. Step 3: Cross multiply
    248.37x = 340.80 × 245.94
  4. Step 4: Simplify right side
    248.37x = 83,816.35
  5. Step 5: Solve for x
    x = 83,816.35/248.37
  6. Step 6: Final answer
    x = 337.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.