Finding the Fourth Proportional to 942.30, 1,411.56 and 466.68
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Solution
The fourth proportional to 942.30, 1,411.56 and 466.68 is: 699.08
Step by Step Solution
- Step 1: Write the proportion equation
942.30 : 1,411.56 = 466.68 : x - Step 2: Convert to fraction form
942.30/1,411.56 = 466.68/x - Step 3: Cross multiply
942.30x = 1,411.56 × 466.68 - Step 4: Simplify right side
942.30x = 658,746.82 - Step 5: Solve for x
x = 658,746.82/942.30 - Step 6: Final answer
x = 699.08
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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.