Finding the Fourth Proportional to 197.84, 273.08 and 114.99
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Solution
The fourth proportional to 197.84, 273.08 and 114.99 is: 158.71
Step by Step Solution
- Step 1: Write the proportion equation
197.84 : 273.08 = 114.99 : x - Step 2: Convert to fraction form
197.84/273.08 = 114.99/x - Step 3: Cross multiply
197.84x = 273.08 × 114.99 - Step 4: Simplify right side
197.84x = 31,399.53 - Step 5: Solve for x
x = 31,399.53/197.84 - Step 6: Final answer
x = 158.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.