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Finding the Fourth Proportional to 179.60, 245.86 and 174.08

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Solution

The fourth proportional to 179.60, 245.86 and 174.08 is: 238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.60 : 245.86 = 174.08 : x
  2. Step 2: Convert to fraction form
    179.60/245.86 = 174.08/x
  3. Step 3: Cross multiply
    179.60x = 245.86 × 174.08
  4. Step 4: Simplify right side
    179.60x = 42,799.31
  5. Step 5: Solve for x
    x = 42,799.31/179.60
  6. Step 6: Final answer
    x = 238.30

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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.