Finding the Fourth Proportional to 228.18, 343.07 and 159.99
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Solution
The fourth proportional to 228.18, 343.07 and 159.99 is: 240.54
Step by Step Solution
- Step 1: Write the proportion equation
228.18 : 343.07 = 159.99 : x - Step 2: Convert to fraction form
228.18/343.07 = 159.99/x - Step 3: Cross multiply
228.18x = 343.07 × 159.99 - Step 4: Simplify right side
228.18x = 54,886.97 - Step 5: Solve for x
x = 54,886.97/228.18 - Step 6: Final answer
x = 240.54
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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.