Finding the Fourth Proportional to 364.53, 546.60 and 120.99
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Solution
The fourth proportional to 364.53, 546.60 and 120.99 is: 181.42
Step by Step Solution
- Step 1: Write the proportion equation
364.53 : 546.60 = 120.99 : x - Step 2: Convert to fraction form
364.53/546.60 = 120.99/x - Step 3: Cross multiply
364.53x = 546.60 × 120.99 - Step 4: Simplify right side
364.53x = 66,133.13 - Step 5: Solve for x
x = 66,133.13/364.53 - Step 6: Final answer
x = 181.42
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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.