Finding the Fourth Proportional to 292.21, 438.08 and 201.08
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Solution
The fourth proportional to 292.21, 438.08 and 201.08 is: 301.46
Step by Step Solution
- Step 1: Write the proportion equation
292.21 : 438.08 = 201.08 : x - Step 2: Convert to fraction form
292.21/438.08 = 201.08/x - Step 3: Cross multiply
292.21x = 438.08 × 201.08 - Step 4: Simplify right side
292.21x = 88,089.22 - Step 5: Solve for x
x = 88,089.22/292.21 - Step 6: Final answer
x = 301.46
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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.