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Finding the Fourth Proportional to 245.54, 338.67 and 179.08

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Solution

The fourth proportional to 245.54, 338.67 and 179.08 is: 247.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.54 : 338.67 = 179.08 : x
  2. Step 2: Convert to fraction form
    245.54/338.67 = 179.08/x
  3. Step 3: Cross multiply
    245.54x = 338.67 × 179.08
  4. Step 4: Simplify right side
    245.54x = 60,648.13
  5. Step 5: Solve for x
    x = 60,648.13/245.54
  6. Step 6: Final answer
    x = 247.00

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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.