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Finding the Fourth Proportional to 605.24, 906.57 and 457.36

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Solution

The fourth proportional to 605.24, 906.57 and 457.36 is: 685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.24 : 906.57 = 457.36 : x
  2. Step 2: Convert to fraction form
    605.24/906.57 = 457.36/x
  3. Step 3: Cross multiply
    605.24x = 906.57 × 457.36
  4. Step 4: Simplify right side
    605.24x = 414,626.59
  5. Step 5: Solve for x
    x = 414,626.59/605.24
  6. Step 6: Final answer
    x = 685.06

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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.