Finding the Fourth Proportional to 235.74, 353.28 and 132.99
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Solution
The fourth proportional to 235.74, 353.28 and 132.99 is: 199.30
Step by Step Solution
- Step 1: Write the proportion equation
235.74 : 353.28 = 132.99 : x - Step 2: Convert to fraction form
235.74/353.28 = 132.99/x - Step 3: Cross multiply
235.74x = 353.28 × 132.99 - Step 4: Simplify right side
235.74x = 46,982.71 - Step 5: Solve for x
x = 46,982.71/235.74 - Step 6: Final answer
x = 199.30
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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.