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Finding the Fourth Proportional to 605.90, 909.08 and 362.60

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Solution

The fourth proportional to 605.90, 909.08 and 362.60 is: 544.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.90 : 909.08 = 362.60 : x
  2. Step 2: Convert to fraction form
    605.90/909.08 = 362.60/x
  3. Step 3: Cross multiply
    605.90x = 909.08 × 362.60
  4. Step 4: Simplify right side
    605.90x = 329,630.82
  5. Step 5: Solve for x
    x = 329,630.82/605.90
  6. Step 6: Final answer
    x = 544.03

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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.