Finding the Fourth Proportional to 93.62, 140.16 and 52.99
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Solution
The fourth proportional to 93.62, 140.16 and 52.99 is: 79.33
Step by Step Solution
- Step 1: Write the proportion equation
93.62 : 140.16 = 52.99 : x - Step 2: Convert to fraction form
93.62/140.16 = 52.99/x - Step 3: Cross multiply
93.62x = 140.16 × 52.99 - Step 4: Simplify right side
93.62x = 7,427.08 - Step 5: Solve for x
x = 7,427.08/93.62 - Step 6: Final answer
x = 79.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.