Finding the Fourth Proportional to 154.65, 232 and 93
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Solution
The fourth proportional to 154.65, 232 and 93 is: 139.52
Step by Step Solution
- Step 1: Write the proportion equation
154.65 : 232 = 93 : x - Step 2: Convert to fraction form
154.65/232 = 93/x - Step 3: Cross multiply
154.65x = 232 × 93 - Step 4: Simplify right side
154.65x = 21,576 - Step 5: Solve for x
x = 21,576/154.65 - Step 6: Final answer
x = 139.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.