Finding the Fourth Proportional to 199.08, 298.44 and 130.68
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Solution
The fourth proportional to 199.08, 298.44 and 130.68 is: 195.90
Step by Step Solution
- Step 1: Write the proportion equation
199.08 : 298.44 = 130.68 : x - Step 2: Convert to fraction form
199.08/298.44 = 130.68/x - Step 3: Cross multiply
199.08x = 298.44 × 130.68 - Step 4: Simplify right side
199.08x = 39,000.14 - Step 5: Solve for x
x = 39,000.14/199.08 - Step 6: Final answer
x = 195.90
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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.