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Finding the Fourth Proportional to 373.30, 558.96 and 270.82

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Solution

The fourth proportional to 373.30, 558.96 and 270.82 is: 405.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    373.30 : 558.96 = 270.82 : x
  2. Step 2: Convert to fraction form
    373.30/558.96 = 270.82/x
  3. Step 3: Cross multiply
    373.30x = 558.96 × 270.82
  4. Step 4: Simplify right side
    373.30x = 151,377.55
  5. Step 5: Solve for x
    x = 151,377.55/373.30
  6. Step 6: Final answer
    x = 405.51

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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.