Finding the Fourth Proportional to 354.99, 532.08 and 217.74
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Solution
The fourth proportional to 354.99, 532.08 and 217.74 is: 326.36
Step by Step Solution
- Step 1: Write the proportion equation
354.99 : 532.08 = 217.74 : x - Step 2: Convert to fraction form
354.99/532.08 = 217.74/x - Step 3: Cross multiply
354.99x = 532.08 × 217.74 - Step 4: Simplify right side
354.99x = 115,855.10 - Step 5: Solve for x
x = 115,855.10/354.99 - Step 6: Final answer
x = 326.36
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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.