Finding the Fourth Proportional to 101.94, 152.82 and 83.94
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Solution
The fourth proportional to 101.94, 152.82 and 83.94 is: 125.84
Step by Step Solution
- Step 1: Write the proportion equation
101.94 : 152.82 = 83.94 : x - Step 2: Convert to fraction form
101.94/152.82 = 83.94/x - Step 3: Cross multiply
101.94x = 152.82 × 83.94 - Step 4: Simplify right side
101.94x = 12,827.71 - Step 5: Solve for x
x = 12,827.71/101.94 - Step 6: Final answer
x = 125.84
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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.