Finding the Fourth Proportional to 572.75, 858.36 and 207.19
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Solution
The fourth proportional to 572.75, 858.36 and 207.19 is: 310.50
Step by Step Solution
- Step 1: Write the proportion equation
572.75 : 858.36 = 207.19 : x - Step 2: Convert to fraction form
572.75/858.36 = 207.19/x - Step 3: Cross multiply
572.75x = 858.36 × 207.19 - Step 4: Simplify right side
572.75x = 177,839.32 - Step 5: Solve for x
x = 177,839.32/572.75 - Step 6: Final answer
x = 310.50
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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.