Finding the Fourth Proportional to 316.02, 473.76 and 187.50
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Solution
The fourth proportional to 316.02, 473.76 and 187.50 is: 281.09
Step by Step Solution
- Step 1: Write the proportion equation
316.02 : 473.76 = 187.50 : x - Step 2: Convert to fraction form
316.02/473.76 = 187.50/x - Step 3: Cross multiply
316.02x = 473.76 × 187.50 - Step 4: Simplify right side
316.02x = 88,830 - Step 5: Solve for x
x = 88,830/316.02 - Step 6: Final answer
x = 281.09
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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.