Finding the Fourth Proportional to 149.96, 207 and 117.44
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Solution
The fourth proportional to 149.96, 207 and 117.44 is: 162.11
Step by Step Solution
- Step 1: Write the proportion equation
149.96 : 207 = 117.44 : x - Step 2: Convert to fraction form
149.96/207 = 117.44/x - Step 3: Cross multiply
149.96x = 207 × 117.44 - Step 4: Simplify right side
149.96x = 24,310.08 - Step 5: Solve for x
x = 24,310.08/149.96 - Step 6: Final answer
x = 162.11
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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.