Finding the Fourth Proportional to 331.83, 497.74 and 195.74
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Solution
The fourth proportional to 331.83, 497.74 and 195.74 is: 293.61
Step by Step Solution
- Step 1: Write the proportion equation
331.83 : 497.74 = 195.74 : x - Step 2: Convert to fraction form
331.83/497.74 = 195.74/x - Step 3: Cross multiply
331.83x = 497.74 × 195.74 - Step 4: Simplify right side
331.83x = 97,427.63 - Step 5: Solve for x
x = 97,427.63/331.83 - Step 6: Final answer
x = 293.61
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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.