Finding the Fourth Proportional to 434.36, 651.62 and 177.84
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Solution
The fourth proportional to 434.36, 651.62 and 177.84 is: 266.79
Step by Step Solution
- Step 1: Write the proportion equation
434.36 : 651.62 = 177.84 : x - Step 2: Convert to fraction form
434.36/651.62 = 177.84/x - Step 3: Cross multiply
434.36x = 651.62 × 177.84 - Step 4: Simplify right side
434.36x = 115,884.10 - Step 5: Solve for x
x = 115,884.10/434.36 - Step 6: Final answer
x = 266.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.