Finding the Fourth Proportional to 188.79, 259.77 and 183.99
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Solution
The fourth proportional to 188.79, 259.77 and 183.99 is: 253.17
Step by Step Solution
- Step 1: Write the proportion equation
188.79 : 259.77 = 183.99 : x - Step 2: Convert to fraction form
188.79/259.77 = 183.99/x - Step 3: Cross multiply
188.79x = 259.77 × 183.99 - Step 4: Simplify right side
188.79x = 47,795.08 - Step 5: Solve for x
x = 47,795.08/188.79 - Step 6: Final answer
x = 253.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.