Finding the Fourth Proportional to 364.68, 547.02 and 145.26
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Solution
The fourth proportional to 364.68, 547.02 and 145.26 is: 217.89
Step by Step Solution
- Step 1: Write the proportion equation
364.68 : 547.02 = 145.26 : x - Step 2: Convert to fraction form
364.68/547.02 = 145.26/x - Step 3: Cross multiply
364.68x = 547.02 × 145.26 - Step 4: Simplify right side
364.68x = 79,460.13 - Step 5: Solve for x
x = 79,460.13/364.68 - Step 6: Final answer
x = 217.89
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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.