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Finding the Fourth Proportional to 334.92, 504.39 and 283.89

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Solution

The fourth proportional to 334.92, 504.39 and 283.89 is: 427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.92 : 504.39 = 283.89 : x
  2. Step 2: Convert to fraction form
    334.92/504.39 = 283.89/x
  3. Step 3: Cross multiply
    334.92x = 504.39 × 283.89
  4. Step 4: Simplify right side
    334.92x = 143,191.28
  5. Step 5: Solve for x
    x = 143,191.28/334.92
  6. Step 6: Final answer
    x = 427.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.