Finding the Fourth Proportional to 872.22, 1,203.21 and 576.99
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Solution
The fourth proportional to 872.22, 1,203.21 and 576.99 is: 795.95
Step by Step Solution
- Step 1: Write the proportion equation
872.22 : 1,203.21 = 576.99 : x - Step 2: Convert to fraction form
872.22/1,203.21 = 576.99/x - Step 3: Cross multiply
872.22x = 1,203.21 × 576.99 - Step 4: Simplify right side
872.22x = 694,240.14 - Step 5: Solve for x
x = 694,240.14/872.22 - Step 6: Final answer
x = 795.95
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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.