Finding the Fourth Proportional to 537.15, 805.62 and 171.75
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Solution
The fourth proportional to 537.15, 805.62 and 171.75 is: 257.59
Step by Step Solution
- Step 1: Write the proportion equation
537.15 : 805.62 = 171.75 : x - Step 2: Convert to fraction form
537.15/805.62 = 171.75/x - Step 3: Cross multiply
537.15x = 805.62 × 171.75 - Step 4: Simplify right side
537.15x = 138,365.24 - Step 5: Solve for x
x = 138,365.24/537.15 - Step 6: Final answer
x = 257.59
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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.