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Finding the Fourth Proportional to 336.16, 504.06 and 191.98

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Solution

The fourth proportional to 336.16, 504.06 and 191.98 is: 287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.16 : 504.06 = 191.98 : x
  2. Step 2: Convert to fraction form
    336.16/504.06 = 191.98/x
  3. Step 3: Cross multiply
    336.16x = 504.06 × 191.98
  4. Step 4: Simplify right side
    336.16x = 96,769.44
  5. Step 5: Solve for x
    x = 96,769.44/336.16
  6. Step 6: Final answer
    x = 287.87

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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.