Finding the Fourth Proportional to 292.11, 437.99 and 176.55
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Solution
The fourth proportional to 292.11, 437.99 and 176.55 is: 264.72
Step by Step Solution
- Step 1: Write the proportion equation
292.11 : 437.99 = 176.55 : x - Step 2: Convert to fraction form
292.11/437.99 = 176.55/x - Step 3: Cross multiply
292.11x = 437.99 × 176.55 - Step 4: Simplify right side
292.11x = 77,326.25 - Step 5: Solve for x
x = 77,326.25/292.11 - Step 6: Final answer
x = 264.72
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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.