Finding the Fourth Proportional to 373.79, 560.70 and 126.99
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Solution
The fourth proportional to 373.79, 560.70 and 126.99 is: 190.49
Step by Step Solution
- Step 1: Write the proportion equation
373.79 : 560.70 = 126.99 : x - Step 2: Convert to fraction form
373.79/560.70 = 126.99/x - Step 3: Cross multiply
373.79x = 560.70 × 126.99 - Step 4: Simplify right side
373.79x = 71,203.29 - Step 5: Solve for x
x = 71,203.29/373.79 - Step 6: Final answer
x = 190.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.