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Finding the Fourth Proportional to 304.08, 419.63 and 173.07

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Solution

The fourth proportional to 304.08, 419.63 and 173.07 is: 238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.08 : 419.63 = 173.07 : x
  2. Step 2: Convert to fraction form
    304.08/419.63 = 173.07/x
  3. Step 3: Cross multiply
    304.08x = 419.63 × 173.07
  4. Step 4: Simplify right side
    304.08x = 72,624.50
  5. Step 5: Solve for x
    x = 72,624.50/304.08
  6. Step 6: Final answer
    x = 238.83

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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.