Finding the Fourth Proportional to 292.60, 438.97 and 97.63
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Solution
The fourth proportional to 292.60, 438.97 and 97.63 is: 146.47
Step by Step Solution
- Step 1: Write the proportion equation
292.60 : 438.97 = 97.63 : x - Step 2: Convert to fraction form
292.60/438.97 = 97.63/x - Step 3: Cross multiply
292.60x = 438.97 × 97.63 - Step 4: Simplify right side
292.60x = 42,855.79 - Step 5: Solve for x
x = 42,855.79/292.60 - Step 6: Final answer
x = 146.47
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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.