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Finding the Fourth Proportional to 336.11, 504.02 and 130.64

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Solution

The fourth proportional to 336.11, 504.02 and 130.64 is: 195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.11 : 504.02 = 130.64 : x
  2. Step 2: Convert to fraction form
    336.11/504.02 = 130.64/x
  3. Step 3: Cross multiply
    336.11x = 504.02 × 130.64
  4. Step 4: Simplify right side
    336.11x = 65,845.17
  5. Step 5: Solve for x
    x = 65,845.17/336.11
  6. Step 6: Final answer
    x = 195.90

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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.