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Finding the Fourth Proportional to 404.94, 606.49 and 332.04

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Solution

The fourth proportional to 404.94, 606.49 and 332.04 is: 497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.94 : 606.49 = 332.04 : x
  2. Step 2: Convert to fraction form
    404.94/606.49 = 332.04/x
  3. Step 3: Cross multiply
    404.94x = 606.49 × 332.04
  4. Step 4: Simplify right side
    404.94x = 201,378.94
  5. Step 5: Solve for x
    x = 201,378.94/404.94
  6. Step 6: Final answer
    x = 497.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.