Finding the Fourth Proportional to 336.51, 504.72 and 120.09
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Solution
The fourth proportional to 336.51, 504.72 and 120.09 is: 180.12
Step by Step Solution
- Step 1: Write the proportion equation
336.51 : 504.72 = 120.09 : x - Step 2: Convert to fraction form
336.51/504.72 = 120.09/x - Step 3: Cross multiply
336.51x = 504.72 × 120.09 - Step 4: Simplify right side
336.51x = 60,611.82 - Step 5: Solve for x
x = 60,611.82/336.51 - Step 6: Final answer
x = 180.12
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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.