Finding the Fourth Proportional to 294.80, 442.08 and 132.44
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Solution
The fourth proportional to 294.80, 442.08 and 132.44 is: 198.61
Step by Step Solution
- Step 1: Write the proportion equation
294.80 : 442.08 = 132.44 : x - Step 2: Convert to fraction form
294.80/442.08 = 132.44/x - Step 3: Cross multiply
294.80x = 442.08 × 132.44 - Step 4: Simplify right side
294.80x = 58,549.08 - Step 5: Solve for x
x = 58,549.08/294.80 - Step 6: Final answer
x = 198.61
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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.