Finding the Fourth Proportional to 292.14, 438.02 and 118.68
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Solution
The fourth proportional to 292.14, 438.02 and 118.68 is: 177.94
Step by Step Solution
- Step 1: Write the proportion equation
292.14 : 438.02 = 118.68 : x - Step 2: Convert to fraction form
292.14/438.02 = 118.68/x - Step 3: Cross multiply
292.14x = 438.02 × 118.68 - Step 4: Simplify right side
292.14x = 51,984.21 - Step 5: Solve for x
x = 51,984.21/292.14 - Step 6: Final answer
x = 177.94
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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.