Finding the Fourth Proportional to 453.10, 679.74 and 179.08
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Solution
The fourth proportional to 453.10, 679.74 and 179.08 is: 268.66
Step by Step Solution
- Step 1: Write the proportion equation
453.10 : 679.74 = 179.08 : x - Step 2: Convert to fraction form
453.10/679.74 = 179.08/x - Step 3: Cross multiply
453.10x = 679.74 × 179.08 - Step 4: Simplify right side
453.10x = 121,727.84 - Step 5: Solve for x
x = 121,727.84/453.10 - Step 6: Final answer
x = 268.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.