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Finding the Fourth Proportional to 601.98, 902.25 and 418.38

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Solution

The fourth proportional to 601.98, 902.25 and 418.38 is: 627.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.98 : 902.25 = 418.38 : x
  2. Step 2: Convert to fraction form
    601.98/902.25 = 418.38/x
  3. Step 3: Cross multiply
    601.98x = 902.25 × 418.38
  4. Step 4: Simplify right side
    601.98x = 377,483.36
  5. Step 5: Solve for x
    x = 377,483.36/601.98
  6. Step 6: Final answer
    x = 627.07

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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.