Finding the Fourth Proportional to 433.19, 649.99 and 189.68
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Solution
The fourth proportional to 433.19, 649.99 and 189.68 is: 284.61
Step by Step Solution
- Step 1: Write the proportion equation
433.19 : 649.99 = 189.68 : x - Step 2: Convert to fraction form
433.19/649.99 = 189.68/x - Step 3: Cross multiply
433.19x = 649.99 × 189.68 - Step 4: Simplify right side
433.19x = 123,290.10 - Step 5: Solve for x
x = 123,290.10/433.19 - Step 6: Final answer
x = 284.61
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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.