Finding the Fourth Proportional to 197.21, 295.97 and 89.00
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Solution
The fourth proportional to 197.21, 295.97 and 89.00 is: 133.57
Step by Step Solution
- Step 1: Write the proportion equation
197.21 : 295.97 = 89.00 : x - Step 2: Convert to fraction form
197.21/295.97 = 89.00/x - Step 3: Cross multiply
197.21x = 295.97 × 89.00 - Step 4: Simplify right side
197.21x = 26,341.62 - Step 5: Solve for x
x = 26,341.62/197.21 - Step 6: Final answer
x = 133.57
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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.