Finding the Fourth Proportional to 937.44, 1,404 and 706.72
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Solution
The fourth proportional to 937.44, 1,404 and 706.72 is: 1,058.45
Step by Step Solution
- Step 1: Write the proportion equation
937.44 : 1,404 = 706.72 : x - Step 2: Convert to fraction form
937.44/1,404 = 706.72/x - Step 3: Cross multiply
937.44x = 1,404 × 706.72 - Step 4: Simplify right side
937.44x = 992,234.88 - Step 5: Solve for x
x = 992,234.88/937.44 - Step 6: Final answer
x = 1,058.45
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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.