Finding the Fourth Proportional to 403.08, 604.75 and 159.63
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Solution
The fourth proportional to 403.08, 604.75 and 159.63 is: 239.50
Step by Step Solution
- Step 1: Write the proportion equation
403.08 : 604.75 = 159.63 : x - Step 2: Convert to fraction form
403.08/604.75 = 159.63/x - Step 3: Cross multiply
403.08x = 604.75 × 159.63 - Step 4: Simplify right side
403.08x = 96,536.24 - Step 5: Solve for x
x = 96,536.24/403.08 - Step 6: Final answer
x = 239.50
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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.