Finding the Fourth Proportional to 418.44, 627.30 and 202.17
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Solution
The fourth proportional to 418.44, 627.30 and 202.17 is: 303.08
Step by Step Solution
- Step 1: Write the proportion equation
418.44 : 627.30 = 202.17 : x - Step 2: Convert to fraction form
418.44/627.30 = 202.17/x - Step 3: Cross multiply
418.44x = 627.30 × 202.17 - Step 4: Simplify right side
418.44x = 126,821.24 - Step 5: Solve for x
x = 126,821.24/418.44 - Step 6: Final answer
x = 303.08
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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.