Finding the Fourth Proportional to 228.97, 315.99 and 146.08
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Solution
The fourth proportional to 228.97, 315.99 and 146.08 is: 201.60
Step by Step Solution
- Step 1: Write the proportion equation
228.97 : 315.99 = 146.08 : x - Step 2: Convert to fraction form
228.97/315.99 = 146.08/x - Step 3: Cross multiply
228.97x = 315.99 × 146.08 - Step 4: Simplify right side
228.97x = 46,159.82 - Step 5: Solve for x
x = 46,159.82/228.97 - Step 6: Final answer
x = 201.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.