Finding the Fourth Proportional to 134.14, 201.08 and 57.18
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Solution
The fourth proportional to 134.14, 201.08 and 57.18 is: 85.71
Step by Step Solution
- Step 1: Write the proportion equation
134.14 : 201.08 = 57.18 : x - Step 2: Convert to fraction form
134.14/201.08 = 57.18/x - Step 3: Cross multiply
134.14x = 201.08 × 57.18 - Step 4: Simplify right side
134.14x = 11,497.75 - Step 5: Solve for x
x = 11,497.75/134.14 - Step 6: Final answer
x = 85.71
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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.