Finding the Fourth Proportional to 133.18, 199.87 and 125.99
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Solution
The fourth proportional to 133.18, 199.87 and 125.99 is: 189.08
Step by Step Solution
- Step 1: Write the proportion equation
133.18 : 199.87 = 125.99 : x - Step 2: Convert to fraction form
133.18/199.87 = 125.99/x - Step 3: Cross multiply
133.18x = 199.87 × 125.99 - Step 4: Simplify right side
133.18x = 25,181.06 - Step 5: Solve for x
x = 25,181.06/133.18 - Step 6: Final answer
x = 189.08
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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.