Finding the Fourth Proportional to 299.68, 449.38 and 177.99
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Solution
The fourth proportional to 299.68, 449.38 and 177.99 is: 266.90
Step by Step Solution
- Step 1: Write the proportion equation
299.68 : 449.38 = 177.99 : x - Step 2: Convert to fraction form
299.68/449.38 = 177.99/x - Step 3: Cross multiply
299.68x = 449.38 × 177.99 - Step 4: Simplify right side
299.68x = 79,985.15 - Step 5: Solve for x
x = 79,985.15/299.68 - Step 6: Final answer
x = 266.90
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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.