Finding the Fourth Proportional to 331.99, 498.07 and 295.68
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Solution
The fourth proportional to 331.99, 498.07 and 295.68 is: 443.59
Step by Step Solution
- Step 1: Write the proportion equation
331.99 : 498.07 = 295.68 : x - Step 2: Convert to fraction form
331.99/498.07 = 295.68/x - Step 3: Cross multiply
331.99x = 498.07 × 295.68 - Step 4: Simplify right side
331.99x = 147,268.05 - Step 5: Solve for x
x = 147,268.05/331.99 - Step 6: Final answer
x = 443.59
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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.