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Finding the Fourth Proportional to 336.46, 504.69 and 105.35

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Solution

The fourth proportional to 336.46, 504.69 and 105.35 is: 158.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.46 : 504.69 = 105.35 : x
  2. Step 2: Convert to fraction form
    336.46/504.69 = 105.35/x
  3. Step 3: Cross multiply
    336.46x = 504.69 × 105.35
  4. Step 4: Simplify right side
    336.46x = 53,167.68
  5. Step 5: Solve for x
    x = 53,167.68/336.46
  6. Step 6: Final answer
    x = 158.02

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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.