Finding the Fourth Proportional to 154.19, 232.14 and 136.02
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Solution
The fourth proportional to 154.19, 232.14 and 136.02 is: 204.79
Step by Step Solution
- Step 1: Write the proportion equation
154.19 : 232.14 = 136.02 : x - Step 2: Convert to fraction form
154.19/232.14 = 136.02/x - Step 3: Cross multiply
154.19x = 232.14 × 136.02 - Step 4: Simplify right side
154.19x = 31,576.19 - Step 5: Solve for x
x = 31,576.19/154.19 - Step 6: Final answer
x = 204.79
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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.