Finding the Fourth Proportional to 97.08, 133.99 and 55.65
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Solution
The fourth proportional to 97.08, 133.99 and 55.65 is: 76.81
Step by Step Solution
- Step 1: Write the proportion equation
97.08 : 133.99 = 55.65 : x - Step 2: Convert to fraction form
97.08/133.99 = 55.65/x - Step 3: Cross multiply
97.08x = 133.99 × 55.65 - Step 4: Simplify right side
97.08x = 7,456.91 - Step 5: Solve for x
x = 7,456.91/97.08 - Step 6: Final answer
x = 76.81
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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.