Finding the Fourth Proportional to 432, 596.16 and 248
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Solution
The fourth proportional to 432, 596.16 and 248 is: 342.24
Step by Step Solution
- Step 1: Write the proportion equation
432 : 596.16 = 248 : x - Step 2: Convert to fraction form
432/596.16 = 248/x - Step 3: Cross multiply
432x = 596.16 × 248 - Step 4: Simplify right side
432x = 147,847.68 - Step 5: Solve for x
x = 147,847.68/432 - Step 6: Final answer
x = 342.24
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.