Finding the Fourth Proportional to 448.29, 671.93 and 201.70
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Solution
The fourth proportional to 448.29, 671.93 and 201.70 is: 302.32
Step by Step Solution
- Step 1: Write the proportion equation
448.29 : 671.93 = 201.70 : x - Step 2: Convert to fraction form
448.29/671.93 = 201.70/x - Step 3: Cross multiply
448.29x = 671.93 × 201.70 - Step 4: Simplify right side
448.29x = 135,524.92 - Step 5: Solve for x
x = 135,524.92/448.29 - Step 6: Final answer
x = 302.32
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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.