Finding the Fourth Proportional to 299.32, 412.99 and 174.99
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Solution
The fourth proportional to 299.32, 412.99 and 174.99 is: 241.44
Step by Step Solution
- Step 1: Write the proportion equation
299.32 : 412.99 = 174.99 : x - Step 2: Convert to fraction form
299.32/412.99 = 174.99/x - Step 3: Cross multiply
299.32x = 412.99 × 174.99 - Step 4: Simplify right side
299.32x = 72,269.12 - Step 5: Solve for x
x = 72,269.12/299.32 - Step 6: Final answer
x = 241.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.