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Finding the Fourth Proportional to 336.92, 504.82 and 192.76

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Solution

The fourth proportional to 336.92, 504.82 and 192.76 is: 288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.92 : 504.82 = 192.76 : x
  2. Step 2: Convert to fraction form
    336.92/504.82 = 192.76/x
  3. Step 3: Cross multiply
    336.92x = 504.82 × 192.76
  4. Step 4: Simplify right side
    336.92x = 97,309.10
  5. Step 5: Solve for x
    x = 97,309.10/336.92
  6. Step 6: Final answer
    x = 288.82

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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.