Finding the Fourth Proportional to 135.73, 204.68 and 133.65
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Solution
The fourth proportional to 135.73, 204.68 and 133.65 is: 201.55
Step by Step Solution
- Step 1: Write the proportion equation
135.73 : 204.68 = 133.65 : x - Step 2: Convert to fraction form
135.73/204.68 = 133.65/x - Step 3: Cross multiply
135.73x = 204.68 × 133.65 - Step 4: Simplify right side
135.73x = 27,355.06 - Step 5: Solve for x
x = 27,355.06/135.73 - Step 6: Final answer
x = 201.55
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.