Finding the Fourth Proportional to 263.55, 395.19 and 98.91
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Solution
The fourth proportional to 263.55, 395.19 and 98.91 is: 148.31
Step by Step Solution
- Step 1: Write the proportion equation
263.55 : 395.19 = 98.91 : x - Step 2: Convert to fraction form
263.55/395.19 = 98.91/x - Step 3: Cross multiply
263.55x = 395.19 × 98.91 - Step 4: Simplify right side
263.55x = 39,088.24 - Step 5: Solve for x
x = 39,088.24/263.55 - Step 6: Final answer
x = 148.31
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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.