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Finding the Fourth Proportional to 382.59, 577.04 and 370.28

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Solution

The fourth proportional to 382.59, 577.04 and 370.28 is: 558.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    382.59 : 577.04 = 370.28 : x
  2. Step 2: Convert to fraction form
    382.59/577.04 = 370.28/x
  3. Step 3: Cross multiply
    382.59x = 577.04 × 370.28
  4. Step 4: Simplify right side
    382.59x = 213,661.63
  5. Step 5: Solve for x
    x = 213,661.63/382.59
  6. Step 6: Final answer
    x = 558.46

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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.