Finding the Fourth Proportional to 134.13, 202.08 and 115.29
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Solution
The fourth proportional to 134.13, 202.08 and 115.29 is: 173.70
Step by Step Solution
- Step 1: Write the proportion equation
134.13 : 202.08 = 115.29 : x - Step 2: Convert to fraction form
134.13/202.08 = 115.29/x - Step 3: Cross multiply
134.13x = 202.08 × 115.29 - Step 4: Simplify right side
134.13x = 23,297.80 - Step 5: Solve for x
x = 23,297.80/134.13 - Step 6: Final answer
x = 173.70
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.