Finding the Fourth Proportional to 221.99, 305.08 and 182.58
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Solution
The fourth proportional to 221.99, 305.08 and 182.58 is: 250.92
Step by Step Solution
- Step 1: Write the proportion equation
221.99 : 305.08 = 182.58 : x - Step 2: Convert to fraction form
221.99/305.08 = 182.58/x - Step 3: Cross multiply
221.99x = 305.08 × 182.58 - Step 4: Simplify right side
221.99x = 55,701.51 - Step 5: Solve for x
x = 55,701.51/221.99 - Step 6: Final answer
x = 250.92
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.