Finding the Fourth Proportional to 149.99, 207.02 and 97.60
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Solution
The fourth proportional to 149.99, 207.02 and 97.60 is: 134.71
Step by Step Solution
- Step 1: Write the proportion equation
149.99 : 207.02 = 97.60 : x - Step 2: Convert to fraction form
149.99/207.02 = 97.60/x - Step 3: Cross multiply
149.99x = 207.02 × 97.60 - Step 4: Simplify right side
149.99x = 20,204.88 - Step 5: Solve for x
x = 20,204.88/149.99 - Step 6: Final answer
x = 134.71
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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.