Finding the Fourth Proportional to 331.17, 456.99 and 183.81
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Solution
The fourth proportional to 331.17, 456.99 and 183.81 is: 253.64
Step by Step Solution
- Step 1: Write the proportion equation
331.17 : 456.99 = 183.81 : x - Step 2: Convert to fraction form
331.17/456.99 = 183.81/x - Step 3: Cross multiply
331.17x = 456.99 × 183.81 - Step 4: Simplify right side
331.17x = 83,996.93 - Step 5: Solve for x
x = 83,996.93/331.17 - Step 6: Final answer
x = 253.64
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.