Finding the Fourth Proportional to 228.44, 342.39 and 106.44
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Solution
The fourth proportional to 228.44, 342.39 and 106.44 is: 159.53
Step by Step Solution
- Step 1: Write the proportion equation
228.44 : 342.39 = 106.44 : x - Step 2: Convert to fraction form
228.44/342.39 = 106.44/x - Step 3: Cross multiply
228.44x = 342.39 × 106.44 - Step 4: Simplify right side
228.44x = 36,443.99 - Step 5: Solve for x
x = 36,443.99/228.44 - Step 6: Final answer
x = 159.53
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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.