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Finding the Fourth Proportional to 245.34, 338.36 and 175.27

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Solution

The fourth proportional to 245.34, 338.36 and 175.27 is: 241.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.34 : 338.36 = 175.27 : x
  2. Step 2: Convert to fraction form
    245.34/338.36 = 175.27/x
  3. Step 3: Cross multiply
    245.34x = 338.36 × 175.27
  4. Step 4: Simplify right side
    245.34x = 59,304.36
  5. Step 5: Solve for x
    x = 59,304.36/245.34
  6. Step 6: Final answer
    x = 241.72

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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.