Finding the Fourth Proportional to 133.92, 201 and 69.84
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Solution
The fourth proportional to 133.92, 201 and 69.84 is: 104.82
Step by Step Solution
- Step 1: Write the proportion equation
133.92 : 201 = 69.84 : x - Step 2: Convert to fraction form
133.92/201 = 69.84/x - Step 3: Cross multiply
133.92x = 201 × 69.84 - Step 4: Simplify right side
133.92x = 14,037.84 - Step 5: Solve for x
x = 14,037.84/133.92 - Step 6: Final answer
x = 104.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.