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Finding the Fourth Proportional to 429.10, 592.24 and 254.54

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Solution

The fourth proportional to 429.10, 592.24 and 254.54 is: 351.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    429.10 : 592.24 = 254.54 : x
  2. Step 2: Convert to fraction form
    429.10/592.24 = 254.54/x
  3. Step 3: Cross multiply
    429.10x = 592.24 × 254.54
  4. Step 4: Simplify right side
    429.10x = 150,748.77
  5. Step 5: Solve for x
    x = 150,748.77/429.10
  6. Step 6: Final answer
    x = 351.31

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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.