Finding the Fourth Proportional to 239.84, 330.99 and 188
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Solution
The fourth proportional to 239.84, 330.99 and 188 is: 259.45
Step by Step Solution
- Step 1: Write the proportion equation
239.84 : 330.99 = 188 : x - Step 2: Convert to fraction form
239.84/330.99 = 188/x - Step 3: Cross multiply
239.84x = 330.99 × 188 - Step 4: Simplify right side
239.84x = 62,226.12 - Step 5: Solve for x
x = 62,226.12/239.84 - Step 6: Final answer
x = 259.45
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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.