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Finding the Fourth Proportional to 360.91, 498.04 and 236.77

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Solution

The fourth proportional to 360.91, 498.04 and 236.77 is: 326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    360.91 : 498.04 = 236.77 : x
  2. Step 2: Convert to fraction form
    360.91/498.04 = 236.77/x
  3. Step 3: Cross multiply
    360.91x = 498.04 × 236.77
  4. Step 4: Simplify right side
    360.91x = 117,920.93
  5. Step 5: Solve for x
    x = 117,920.93/360.91
  6. Step 6: Final answer
    x = 326.73

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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.