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Finding the Fourth Proportional to 474.45, 655.37 and 365.29

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Solution

The fourth proportional to 474.45, 655.37 and 365.29 is: 504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.45 : 655.37 = 365.29 : x
  2. Step 2: Convert to fraction form
    474.45/655.37 = 365.29/x
  3. Step 3: Cross multiply
    474.45x = 655.37 × 365.29
  4. Step 4: Simplify right side
    474.45x = 239,400.11
  5. Step 5: Solve for x
    x = 239,400.11/474.45
  6. Step 6: Final answer
    x = 504.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.