Finding the Fourth Proportional to 434.82, 652.26 and 126.68
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Solution
The fourth proportional to 434.82, 652.26 and 126.68 is: 190.02
Step by Step Solution
- Step 1: Write the proportion equation
434.82 : 652.26 = 126.68 : x - Step 2: Convert to fraction form
434.82/652.26 = 126.68/x - Step 3: Cross multiply
434.82x = 652.26 × 126.68 - Step 4: Simplify right side
434.82x = 82,625.04 - Step 5: Solve for x
x = 82,625.04/434.82 - Step 6: Final answer
x = 190.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.