Finding the Fourth Proportional to 481.14, 720.68 and 297.99
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Solution
The fourth proportional to 481.14, 720.68 and 297.99 is: 446.34
Step by Step Solution
- Step 1: Write the proportion equation
481.14 : 720.68 = 297.99 : x - Step 2: Convert to fraction form
481.14/720.68 = 297.99/x - Step 3: Cross multiply
481.14x = 720.68 × 297.99 - Step 4: Simplify right side
481.14x = 214,753.94 - Step 5: Solve for x
x = 214,753.94/481.14 - Step 6: Final answer
x = 446.34
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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.