Finding the Fourth Proportional to 414, 620.08 and 230.99
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Solution
The fourth proportional to 414, 620.08 and 230.99 is: 345.96
Step by Step Solution
- Step 1: Write the proportion equation
414 : 620.08 = 230.99 : x - Step 2: Convert to fraction form
414/620.08 = 230.99/x - Step 3: Cross multiply
414x = 620.08 × 230.99 - Step 4: Simplify right side
414x = 143,228.60 - Step 5: Solve for x
x = 143,228.60/414 - Step 6: Final answer
x = 345.96
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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.