Finding the Fourth Proportional to 362.42, 543.84 and 145.99
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Solution
The fourth proportional to 362.42, 543.84 and 145.99 is: 219.07
Step by Step Solution
- Step 1: Write the proportion equation
362.42 : 543.84 = 145.99 : x - Step 2: Convert to fraction form
362.42/543.84 = 145.99/x - Step 3: Cross multiply
362.42x = 543.84 × 145.99 - Step 4: Simplify right side
362.42x = 79,395.20 - Step 5: Solve for x
x = 79,395.20/362.42 - Step 6: Final answer
x = 219.07
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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.