Finding the Fourth Proportional to 101.94, 152.97 and 47.84
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Solution
The fourth proportional to 101.94, 152.97 and 47.84 is: 71.78
Step by Step Solution
- Step 1: Write the proportion equation
101.94 : 152.97 = 47.84 : x - Step 2: Convert to fraction form
101.94/152.97 = 47.84/x - Step 3: Cross multiply
101.94x = 152.97 × 47.84 - Step 4: Simplify right side
101.94x = 7,317.08 - Step 5: Solve for x
x = 7,317.08/101.94 - Step 6: Final answer
x = 71.78
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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.