Finding the Fourth Proportional to 235.35, 352.49 and 153.99
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Solution
The fourth proportional to 235.35, 352.49 and 153.99 is: 230.63
Step by Step Solution
- Step 1: Write the proportion equation
235.35 : 352.49 = 153.99 : x - Step 2: Convert to fraction form
235.35/352.49 = 153.99/x - Step 3: Cross multiply
235.35x = 352.49 × 153.99 - Step 4: Simplify right side
235.35x = 54,279.17 - Step 5: Solve for x
x = 54,279.17/235.35 - Step 6: Final answer
x = 230.63
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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.