Finding the Fourth Proportional to 134.60, 202.91 and 120.68
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Solution
The fourth proportional to 134.60, 202.91 and 120.68 is: 181.93
Step by Step Solution
- Step 1: Write the proportion equation
134.60 : 202.91 = 120.68 : x - Step 2: Convert to fraction form
134.60/202.91 = 120.68/x - Step 3: Cross multiply
134.60x = 202.91 × 120.68 - Step 4: Simplify right side
134.60x = 24,487.18 - Step 5: Solve for x
x = 24,487.18/134.60 - Step 6: Final answer
x = 181.93
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.