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Finding the Fourth Proportional to 336.42, 504.39 and 233.90

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Solution

The fourth proportional to 336.42, 504.39 and 233.90 is: 350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.42 : 504.39 = 233.90 : x
  2. Step 2: Convert to fraction form
    336.42/504.39 = 233.90/x
  3. Step 3: Cross multiply
    336.42x = 504.39 × 233.90
  4. Step 4: Simplify right side
    336.42x = 117,979.90
  5. Step 5: Solve for x
    x = 117,979.90/336.42
  6. Step 6: Final answer
    x = 350.69

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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.