Finding the Fourth Proportional to 303.26, 454.82 and 97.79
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Solution
The fourth proportional to 303.26, 454.82 and 97.79 is: 146.66
Step by Step Solution
- Step 1: Write the proportion equation
303.26 : 454.82 = 97.79 : x - Step 2: Convert to fraction form
303.26/454.82 = 97.79/x - Step 3: Cross multiply
303.26x = 454.82 × 97.79 - Step 4: Simplify right side
303.26x = 44,474.08 - Step 5: Solve for x
x = 44,474.08/303.26 - Step 6: Final answer
x = 146.66
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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.