Finding the Fourth Proportional to 364.54, 546.63 and 120.99
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Solution
The fourth proportional to 364.54, 546.63 and 120.99 is: 181.42
Step by Step Solution
- Step 1: Write the proportion equation
364.54 : 546.63 = 120.99 : x - Step 2: Convert to fraction form
364.54/546.63 = 120.99/x - Step 3: Cross multiply
364.54x = 546.63 × 120.99 - Step 4: Simplify right side
364.54x = 66,134.18 - Step 5: Solve for x
x = 66,134.18/364.54 - 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.