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Finding the Fourth Proportional to 373.94, 558.22 and 325.34

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Solution

The fourth proportional to 373.94, 558.22 and 325.34 is: 485.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.94 : 558.22 = 325.34 : x
  2. Step 2: Convert to fraction form
    373.94/558.22 = 325.34/x
  3. Step 3: Cross multiply
    373.94x = 558.22 × 325.34
  4. Step 4: Simplify right side
    373.94x = 181,611.29
  5. Step 5: Solve for x
    x = 181,611.29/373.94
  6. Step 6: Final answer
    x = 485.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.