Finding the Fourth Proportional to 149.23, 206.02 and 93.23
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Solution
The fourth proportional to 149.23, 206.02 and 93.23 is: 128.71
Step by Step Solution
- Step 1: Write the proportion equation
149.23 : 206.02 = 93.23 : x - Step 2: Convert to fraction form
149.23/206.02 = 93.23/x - Step 3: Cross multiply
149.23x = 206.02 × 93.23 - Step 4: Simplify right side
149.23x = 19,206.78 - Step 5: Solve for x
x = 19,206.78/149.23 - Step 6: Final answer
x = 128.71
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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.