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Finding the Fourth Proportional to 344.37, 474.73 and 245.95

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Solution

The fourth proportional to 344.37, 474.73 and 245.95 is: 339.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.37 : 474.73 = 245.95 : x
  2. Step 2: Convert to fraction form
    344.37/474.73 = 245.95/x
  3. Step 3: Cross multiply
    344.37x = 474.73 × 245.95
  4. Step 4: Simplify right side
    344.37x = 116,760.71
  5. Step 5: Solve for x
    x = 116,760.71/344.37
  6. Step 6: Final answer
    x = 339.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.