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Finding the Fourth Proportional to 474.12, 654.54 and 370.44

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Solution

The fourth proportional to 474.12, 654.54 and 370.44 is: 511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.12 : 654.54 = 370.44 : x
  2. Step 2: Convert to fraction form
    474.12/654.54 = 370.44/x
  3. Step 3: Cross multiply
    474.12x = 654.54 × 370.44
  4. Step 4: Simplify right side
    474.12x = 242,467.80
  5. Step 5: Solve for x
    x = 242,467.80/474.12
  6. Step 6: Final answer
    x = 511.41

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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.