Finding the Fourth Proportional to 303.17, 454.74 and 97.75
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Solution
The fourth proportional to 303.17, 454.74 and 97.75 is: 146.62
Step by Step Solution
- Step 1: Write the proportion equation
303.17 : 454.74 = 97.75 : x - Step 2: Convert to fraction form
303.17/454.74 = 97.75/x - Step 3: Cross multiply
303.17x = 454.74 × 97.75 - Step 4: Simplify right side
303.17x = 44,450.84 - Step 5: Solve for x
x = 44,450.84/303.17 - Step 6: Final answer
x = 146.62
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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.