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Finding the Fourth Proportional to 574.76, 793.16 and 326.12

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Solution

The fourth proportional to 574.76, 793.16 and 326.12 is: 450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    574.76 : 793.16 = 326.12 : x
  2. Step 2: Convert to fraction form
    574.76/793.16 = 326.12/x
  3. Step 3: Cross multiply
    574.76x = 793.16 × 326.12
  4. Step 4: Simplify right side
    574.76x = 258,665.34
  5. Step 5: Solve for x
    x = 258,665.34/574.76
  6. Step 6: Final answer
    x = 450.04

Related Problems

Find fourth proportional to 287.38, 396.58 and 163.06
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Similar ratio
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1.5x scale

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.