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Finding the Fourth Proportional to 606.17, 909.45 and 359.33

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Solution

The fourth proportional to 606.17, 909.45 and 359.33 is: 539.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.17 : 909.45 = 359.33 : x
  2. Step 2: Convert to fraction form
    606.17/909.45 = 359.33/x
  3. Step 3: Cross multiply
    606.17x = 909.45 × 359.33
  4. Step 4: Simplify right side
    606.17x = 326,788.12
  5. Step 5: Solve for x
    x = 326,788.12/606.17
  6. Step 6: Final answer
    x = 539.11

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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.