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Finding the Fourth Proportional to 429.05, 592 and 335.80

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Solution

The fourth proportional to 429.05, 592 and 335.80 is: 463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.05 : 592 = 335.80 : x
  2. Step 2: Convert to fraction form
    429.05/592 = 335.80/x
  3. Step 3: Cross multiply
    429.05x = 592 × 335.80
  4. Step 4: Simplify right side
    429.05x = 198,793.60
  5. Step 5: Solve for x
    x = 198,793.60/429.05
  6. Step 6: Final answer
    x = 463.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.