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Finding the Fourth Proportional to 268.52, 369.32 and 245.30

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Solution

The fourth proportional to 268.52, 369.32 and 245.30 is: 337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.52 : 369.32 = 245.30 : x
  2. Step 2: Convert to fraction form
    268.52/369.32 = 245.30/x
  3. Step 3: Cross multiply
    268.52x = 369.32 × 245.30
  4. Step 4: Simplify right side
    268.52x = 90,594.20
  5. Step 5: Solve for x
    x = 90,594.20/268.52
  6. Step 6: Final answer
    x = 337.38

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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.