Finding the Fourth Proportional to 331.99, 497.99 and 158.68
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Solution
The fourth proportional to 331.99, 497.99 and 158.68 is: 238.02
Step by Step Solution
- Step 1: Write the proportion equation
331.99 : 497.99 = 158.68 : x - Step 2: Convert to fraction form
331.99/497.99 = 158.68/x - Step 3: Cross multiply
331.99x = 497.99 × 158.68 - Step 4: Simplify right side
331.99x = 79,021.05 - Step 5: Solve for x
x = 79,021.05/331.99 - Step 6: Final answer
x = 238.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.