Finding the Fourth Proportional to 177.39, 266.09 and 55.65
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Solution
The fourth proportional to 177.39, 266.09 and 55.65 is: 83.48
Step by Step Solution
- Step 1: Write the proportion equation
177.39 : 266.09 = 55.65 : x - Step 2: Convert to fraction form
177.39/266.09 = 55.65/x - Step 3: Cross multiply
177.39x = 266.09 × 55.65 - Step 4: Simplify right side
177.39x = 14,808.63 - Step 5: Solve for x
x = 14,808.63/177.39 - Step 6: Final answer
x = 83.48
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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.