Finding the Fourth Proportional to 134.68, 201.84 and 98.50
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Solution
The fourth proportional to 134.68, 201.84 and 98.50 is: 147.62
Step by Step Solution
- Step 1: Write the proportion equation
134.68 : 201.84 = 98.50 : x - Step 2: Convert to fraction form
134.68/201.84 = 98.50/x - Step 3: Cross multiply
134.68x = 201.84 × 98.50 - Step 4: Simplify right side
134.68x = 19,881.24 - Step 5: Solve for x
x = 19,881.24/134.68 - Step 6: Final answer
x = 147.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.