Finding the Fourth Proportional to 850.82, 1,276.14 and 302.99
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Solution
The fourth proportional to 850.82, 1,276.14 and 302.99 is: 454.45
Step by Step Solution
- Step 1: Write the proportion equation
850.82 : 1,276.14 = 302.99 : x - Step 2: Convert to fraction form
850.82/1,276.14 = 302.99/x - Step 3: Cross multiply
850.82x = 1,276.14 × 302.99 - Step 4: Simplify right side
850.82x = 386,657.66 - Step 5: Solve for x
x = 386,657.66/850.82 - Step 6: Final answer
x = 454.45
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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.