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Finding the Fourth Proportional to 466.04, 642.83 and 355.26

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Solution

The fourth proportional to 466.04, 642.83 and 355.26 is: 490.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    466.04 : 642.83 = 355.26 : x
  2. Step 2: Convert to fraction form
    466.04/642.83 = 355.26/x
  3. Step 3: Cross multiply
    466.04x = 642.83 × 355.26
  4. Step 4: Simplify right side
    466.04x = 228,370.01
  5. Step 5: Solve for x
    x = 228,370.01/466.04
  6. Step 6: Final answer
    x = 490.03

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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.