Finding the Fourth Proportional to 235.74, 325.48 and 147.26
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Solution
The fourth proportional to 235.74, 325.48 and 147.26 is: 203.32
Step by Step Solution
- Step 1: Write the proportion equation
235.74 : 325.48 = 147.26 : x - Step 2: Convert to fraction form
235.74/325.48 = 147.26/x - Step 3: Cross multiply
235.74x = 325.48 × 147.26 - Step 4: Simplify right side
235.74x = 47,930.18 - Step 5: Solve for x
x = 47,930.18/235.74 - Step 6: Final answer
x = 203.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.