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Finding the Fourth Proportional to 373.42, 558.84 and 327.26

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Solution

The fourth proportional to 373.42, 558.84 and 327.26 is: 489.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.42 : 558.84 = 327.26 : x
  2. Step 2: Convert to fraction form
    373.42/558.84 = 327.26/x
  3. Step 3: Cross multiply
    373.42x = 558.84 × 327.26
  4. Step 4: Simplify right side
    373.42x = 182,885.98
  5. Step 5: Solve for x
    x = 182,885.98/373.42
  6. Step 6: Final answer
    x = 489.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.