Finding the Fourth Proportional to 135.24, 201.93 and 114.93
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Solution
The fourth proportional to 135.24, 201.93 and 114.93 is: 171.60
Step by Step Solution
- Step 1: Write the proportion equation
135.24 : 201.93 = 114.93 : x - Step 2: Convert to fraction form
135.24/201.93 = 114.93/x - Step 3: Cross multiply
135.24x = 201.93 × 114.93 - Step 4: Simplify right side
135.24x = 23,207.81 - Step 5: Solve for x
x = 23,207.81/135.24 - Step 6: Final answer
x = 171.60
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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.