Finding the Fourth Proportional to 364.80, 547.02 and 133.68
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Solution
The fourth proportional to 364.80, 547.02 and 133.68 is: 200.45
Step by Step Solution
- Step 1: Write the proportion equation
364.80 : 547.02 = 133.68 : x - Step 2: Convert to fraction form
364.80/547.02 = 133.68/x - Step 3: Cross multiply
364.80x = 547.02 × 133.68 - Step 4: Simplify right side
364.80x = 73,125.63 - Step 5: Solve for x
x = 73,125.63/364.80 - Step 6: Final answer
x = 200.45
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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.