Finding the Fourth Proportional to 364.62, 546.99 and 121.12
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Solution
The fourth proportional to 364.62, 546.99 and 121.12 is: 181.70
Step by Step Solution
- Step 1: Write the proportion equation
364.62 : 546.99 = 121.12 : x - Step 2: Convert to fraction form
364.62/546.99 = 121.12/x - Step 3: Cross multiply
364.62x = 546.99 × 121.12 - Step 4: Simplify right side
364.62x = 66,251.43 - Step 5: Solve for x
x = 66,251.43/364.62 - Step 6: Final answer
x = 181.70
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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.