Finding the Fourth Proportional to 355.23, 532.93 and 201.23
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Solution
The fourth proportional to 355.23, 532.93 and 201.23 is: 301.89
Step by Step Solution
- Step 1: Write the proportion equation
355.23 : 532.93 = 201.23 : x - Step 2: Convert to fraction form
355.23/532.93 = 201.23/x - Step 3: Cross multiply
355.23x = 532.93 × 201.23 - Step 4: Simplify right side
355.23x = 107,241.83 - Step 5: Solve for x
x = 107,241.83/355.23 - Step 6: Final answer
x = 301.89
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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.