Finding the Fourth Proportional to 135.06, 201.38 and 132.63
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Solution
The fourth proportional to 135.06, 201.38 and 132.63 is: 197.75
Step by Step Solution
- Step 1: Write the proportion equation
135.06 : 201.38 = 132.63 : x - Step 2: Convert to fraction form
135.06/201.38 = 132.63/x - Step 3: Cross multiply
135.06x = 201.38 × 132.63 - Step 4: Simplify right side
135.06x = 26,707.69 - Step 5: Solve for x
x = 26,707.69/135.06 - Step 6: Final answer
x = 197.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.