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Finding the Fourth Proportional to 402.98, 604.46 and 114.41

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Solution

The fourth proportional to 402.98, 604.46 and 114.41 is: 171.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    402.98 : 604.46 = 114.41 : x
  2. Step 2: Convert to fraction form
    402.98/604.46 = 114.41/x
  3. Step 3: Cross multiply
    402.98x = 604.46 × 114.41
  4. Step 4: Simplify right side
    402.98x = 69,158.07
  5. Step 5: Solve for x
    x = 69,158.07/402.98
  6. Step 6: Final answer
    x = 171.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.