Finding the Fourth Proportional to 572.25, 858.45 and 206.99
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Solution
The fourth proportional to 572.25, 858.45 and 206.99 is: 310.50
Step by Step Solution
- Step 1: Write the proportion equation
572.25 : 858.45 = 206.99 : x - Step 2: Convert to fraction form
572.25/858.45 = 206.99/x - Step 3: Cross multiply
572.25x = 858.45 × 206.99 - Step 4: Simplify right side
572.25x = 177,685.24 - Step 5: Solve for x
x = 177,685.24/572.25 - 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.