Finding the Fourth Proportional to 373.75, 560.63 and 145.75
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Solution
The fourth proportional to 373.75, 560.63 and 145.75 is: 218.63
Step by Step Solution
- Step 1: Write the proportion equation
373.75 : 560.63 = 145.75 : x - Step 2: Convert to fraction form
373.75/560.63 = 145.75/x - Step 3: Cross multiply
373.75x = 560.63 × 145.75 - Step 4: Simplify right side
373.75x = 81,711.82 - Step 5: Solve for x
x = 81,711.82/373.75 - Step 6: Final answer
x = 218.63
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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.