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Finding the Fourth Proportional to 370.41, 558.11 and 306.84

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Solution

The fourth proportional to 370.41, 558.11 and 306.84 is: 462.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.41 : 558.11 = 306.84 : x
  2. Step 2: Convert to fraction form
    370.41/558.11 = 306.84/x
  3. Step 3: Cross multiply
    370.41x = 558.11 × 306.84
  4. Step 4: Simplify right side
    370.41x = 171,250.47
  5. Step 5: Solve for x
    x = 171,250.47/370.41
  6. Step 6: Final answer
    x = 462.33

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.