Finding the Fourth Proportional to 292.19, 438.23 and 97.19
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Solution
The fourth proportional to 292.19, 438.23 and 97.19 is: 145.77
Step by Step Solution
- Step 1: Write the proportion equation
292.19 : 438.23 = 97.19 : x - Step 2: Convert to fraction form
292.19/438.23 = 97.19/x - Step 3: Cross multiply
292.19x = 438.23 × 97.19 - Step 4: Simplify right side
292.19x = 42,590.54 - Step 5: Solve for x
x = 42,590.54/292.19 - Step 6: Final answer
x = 145.77
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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.