Finding the Fourth Proportional to 373.72, 560.20 and 130.08
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Solution
The fourth proportional to 373.72, 560.20 and 130.08 is: 194.99
Step by Step Solution
- Step 1: Write the proportion equation
373.72 : 560.20 = 130.08 : x - Step 2: Convert to fraction form
373.72/560.20 = 130.08/x - Step 3: Cross multiply
373.72x = 560.20 × 130.08 - Step 4: Simplify right side
373.72x = 72,870.82 - Step 5: Solve for x
x = 72,870.82/373.72 - Step 6: Final answer
x = 194.99
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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.