Finding the Fourth Proportional to 295.14, 442.62 and 140.99
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Solution
The fourth proportional to 295.14, 442.62 and 140.99 is: 211.43
Step by Step Solution
- Step 1: Write the proportion equation
295.14 : 442.62 = 140.99 : x - Step 2: Convert to fraction form
295.14/442.62 = 140.99/x - Step 3: Cross multiply
295.14x = 442.62 × 140.99 - Step 4: Simplify right side
295.14x = 62,402.78 - Step 5: Solve for x
x = 62,402.78/295.14 - Step 6: Final answer
x = 211.43
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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.