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Finding the Fourth Proportional to 606.88, 909.06 and 451

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Solution

The fourth proportional to 606.88, 909.06 and 451 is: 675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    606.88 : 909.06 = 451 : x
  2. Step 2: Convert to fraction form
    606.88/909.06 = 451/x
  3. Step 3: Cross multiply
    606.88x = 909.06 × 451
  4. Step 4: Simplify right side
    606.88x = 409,986.06
  5. Step 5: Solve for x
    x = 409,986.06/606.88
  6. Step 6: Final answer
    x = 675.56

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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.