Finding the Fourth Proportional to 147.24, 203.36 and 94.78
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Solution
The fourth proportional to 147.24, 203.36 and 94.78 is: 130.90
Step by Step Solution
- Step 1: Write the proportion equation
147.24 : 203.36 = 94.78 : x - Step 2: Convert to fraction form
147.24/203.36 = 94.78/x - Step 3: Cross multiply
147.24x = 203.36 × 94.78 - Step 4: Simplify right side
147.24x = 19,273.63 - Step 5: Solve for x
x = 19,273.63/147.24 - Step 6: Final answer
x = 130.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.