Finding the Fourth Proportional to 42.84, 58.98 and 35.10
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Solution
The fourth proportional to 42.84, 58.98 and 35.10 is: 48.32
Step by Step Solution
- Step 1: Write the proportion equation
42.84 : 58.98 = 35.10 : x - Step 2: Convert to fraction form
42.84/58.98 = 35.10/x - Step 3: Cross multiply
42.84x = 58.98 × 35.10 - Step 4: Simplify right side
42.84x = 2,070.20 - Step 5: Solve for x
x = 2,070.20/42.84 - Step 6: Final answer
x = 48.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.