Finding the Fourth Proportional to 133.71, 184.64 and 84.63
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Solution
The fourth proportional to 133.71, 184.64 and 84.63 is: 116.87
Step by Step Solution
- Step 1: Write the proportion equation
133.71 : 184.64 = 84.63 : x - Step 2: Convert to fraction form
133.71/184.64 = 84.63/x - Step 3: Cross multiply
133.71x = 184.64 × 84.63 - Step 4: Simplify right side
133.71x = 15,626.08 - Step 5: Solve for x
x = 15,626.08/133.71 - Step 6: Final answer
x = 116.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.