Finding the Fourth Proportional to 850.13, 1,173.09 and 476.99
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Solution
The fourth proportional to 850.13, 1,173.09 and 476.99 is: 658.19
Step by Step Solution
- Step 1: Write the proportion equation
850.13 : 1,173.09 = 476.99 : x - Step 2: Convert to fraction form
850.13/1,173.09 = 476.99/x - Step 3: Cross multiply
850.13x = 1,173.09 × 476.99 - Step 4: Simplify right side
850.13x = 559,546.33 - Step 5: Solve for x
x = 559,546.33/850.13 - Step 6: Final answer
x = 658.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.