Finding the Fourth Proportional to 322.68, 483.21 and 201.18
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Solution
The fourth proportional to 322.68, 483.21 and 201.18 is: 301.26
Step by Step Solution
- Step 1: Write the proportion equation
322.68 : 483.21 = 201.18 : x - Step 2: Convert to fraction form
322.68/483.21 = 201.18/x - Step 3: Cross multiply
322.68x = 483.21 × 201.18 - Step 4: Simplify right side
322.68x = 97,212.19 - Step 5: Solve for x
x = 97,212.19/322.68 - Step 6: Final answer
x = 301.26
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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.