Finding the Fourth Proportional to 536.74, 805.17 and 189.99
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Solution
The fourth proportional to 536.74, 805.17 and 189.99 is: 285.01
Step by Step Solution
- Step 1: Write the proportion equation
536.74 : 805.17 = 189.99 : x - Step 2: Convert to fraction form
536.74/805.17 = 189.99/x - Step 3: Cross multiply
536.74x = 805.17 × 189.99 - Step 4: Simplify right side
536.74x = 152,974.25 - Step 5: Solve for x
x = 152,974.25/536.74 - Step 6: Final answer
x = 285.01
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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.