Finding the Fourth Proportional to 1,304.23, 1,955.12 and 437.94
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Solution
The fourth proportional to 1,304.23, 1,955.12 and 437.94 is: 656.50
Step by Step Solution
- Step 1: Write the proportion equation
1,304.23 : 1,955.12 = 437.94 : x - Step 2: Convert to fraction form
1,304.23/1,955.12 = 437.94/x - Step 3: Cross multiply
1,304.23x = 1,955.12 × 437.94 - Step 4: Simplify right side
1,304.23x = 856,225.25 - Step 5: Solve for x
x = 856,225.25/1,304.23 - Step 6: Final answer
x = 656.50
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1.5x scale
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.