Finding the Fourth Proportional to 408.73, 612.69 and 202.99
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Solution
The fourth proportional to 408.73, 612.69 and 202.99 is: 304.28
Step by Step Solution
- Step 1: Write the proportion equation
408.73 : 612.69 = 202.99 : x - Step 2: Convert to fraction form
408.73/612.69 = 202.99/x - Step 3: Cross multiply
408.73x = 612.69 × 202.99 - Step 4: Simplify right side
408.73x = 124,369.94 - Step 5: Solve for x
x = 124,369.94/408.73 - Step 6: Final answer
x = 304.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.