Finding the Fourth Proportional to 354.99, 532.67 and 162.75
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Solution
The fourth proportional to 354.99, 532.67 and 162.75 is: 244.21
Step by Step Solution
- Step 1: Write the proportion equation
354.99 : 532.67 = 162.75 : x - Step 2: Convert to fraction form
354.99/532.67 = 162.75/x - Step 3: Cross multiply
354.99x = 532.67 × 162.75 - Step 4: Simplify right side
354.99x = 86,691.23 - Step 5: Solve for x
x = 86,691.23/354.99 - Step 6: Final answer
x = 244.21
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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.