Finding the Fourth Proportional to 850.24, 1,276 and 484.96
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Solution
The fourth proportional to 850.24, 1,276 and 484.96 is: 727.81
Step by Step Solution
- Step 1: Write the proportion equation
850.24 : 1,276 = 484.96 : x - Step 2: Convert to fraction form
850.24/1,276 = 484.96/x - Step 3: Cross multiply
850.24x = 1,276 × 484.96 - Step 4: Simplify right side
850.24x = 618,808.96 - Step 5: Solve for x
x = 618,808.96/850.24 - Step 6: Final answer
x = 727.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.