Finding the Fourth Proportional to 147.17, 203.07 and 88.99
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Solution
The fourth proportional to 147.17, 203.07 and 88.99 is: 122.79
Step by Step Solution
- Step 1: Write the proportion equation
147.17 : 203.07 = 88.99 : x - Step 2: Convert to fraction form
147.17/203.07 = 88.99/x - Step 3: Cross multiply
147.17x = 203.07 × 88.99 - Step 4: Simplify right side
147.17x = 18,070.69 - Step 5: Solve for x
x = 18,070.69/147.17 - Step 6: Final answer
x = 122.79
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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.