Finding the Fourth Proportional to 135.84, 202.76 and 134.70
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Solution
The fourth proportional to 135.84, 202.76 and 134.70 is: 201.05
Step by Step Solution
- Step 1: Write the proportion equation
135.84 : 202.76 = 134.70 : x - Step 2: Convert to fraction form
135.84/202.76 = 134.70/x - Step 3: Cross multiply
135.84x = 202.76 × 134.70 - Step 4: Simplify right side
135.84x = 27,311.10 - Step 5: Solve for x
x = 27,311.10/135.84 - Step 6: Final answer
x = 201.05
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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.