Finding the Fourth Proportional to 373.82, 560.59 and 142.70
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Solution
The fourth proportional to 373.82, 560.59 and 142.70 is: 213.99
Step by Step Solution
- Step 1: Write the proportion equation
373.82 : 560.59 = 142.70 : x - Step 2: Convert to fraction form
373.82/560.59 = 142.70/x - Step 3: Cross multiply
373.82x = 560.59 × 142.70 - Step 4: Simplify right side
373.82x = 79,993.03 - Step 5: Solve for x
x = 79,993.03/373.82 - Step 6: Final answer
x = 213.99
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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.