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Finding the Fourth Proportional to 304.09, 455.59 and 173.95

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Solution

The fourth proportional to 304.09, 455.59 and 173.95 is: 260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    304.09 : 455.59 = 173.95 : x
  2. Step 2: Convert to fraction form
    304.09/455.59 = 173.95/x
  3. Step 3: Cross multiply
    304.09x = 455.59 × 173.95
  4. Step 4: Simplify right side
    304.09x = 79,249.88
  5. Step 5: Solve for x
    x = 79,249.88/304.09
  6. Step 6: Final answer
    x = 260.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.