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Finding the Fourth Proportional to 601.38, 902.42 and 259.38

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Solution

The fourth proportional to 601.38, 902.42 and 259.38 is: 389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.38 : 902.42 = 259.38 : x
  2. Step 2: Convert to fraction form
    601.38/902.42 = 259.38/x
  3. Step 3: Cross multiply
    601.38x = 902.42 × 259.38
  4. Step 4: Simplify right side
    601.38x = 234,069.70
  5. Step 5: Solve for x
    x = 234,069.70/601.38
  6. Step 6: Final answer
    x = 389.22

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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.