Finding the Fourth Proportional to 133.34, 184.08 and 92.99
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Solution
The fourth proportional to 133.34, 184.08 and 92.99 is: 128.38
Step by Step Solution
- Step 1: Write the proportion equation
133.34 : 184.08 = 92.99 : x - Step 2: Convert to fraction form
133.34/184.08 = 92.99/x - Step 3: Cross multiply
133.34x = 184.08 × 92.99 - Step 4: Simplify right side
133.34x = 17,117.60 - Step 5: Solve for x
x = 17,117.60/133.34 - Step 6: Final answer
x = 128.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.