Finding the Fourth Proportional to 331.36, 457.23 and 183.99
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Solution
The fourth proportional to 331.36, 457.23 and 183.99 is: 253.88
Step by Step Solution
- Step 1: Write the proportion equation
331.36 : 457.23 = 183.99 : x - Step 2: Convert to fraction form
331.36/457.23 = 183.99/x - Step 3: Cross multiply
331.36x = 457.23 × 183.99 - Step 4: Simplify right side
331.36x = 84,125.75 - Step 5: Solve for x
x = 84,125.75/331.36 - Step 6: Final answer
x = 253.88
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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.