Finding the Fourth Proportional to 201.24, 301.65 and 98.31
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Solution
The fourth proportional to 201.24, 301.65 and 98.31 is: 147.36
Step by Step Solution
- Step 1: Write the proportion equation
201.24 : 301.65 = 98.31 : x - Step 2: Convert to fraction form
201.24/301.65 = 98.31/x - Step 3: Cross multiply
201.24x = 301.65 × 98.31 - Step 4: Simplify right side
201.24x = 29,655.21 - Step 5: Solve for x
x = 29,655.21/201.24 - Step 6: Final answer
x = 147.36
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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.