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Finding the Fourth Proportional to 607.27, 903.62 and 605.22

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Solution

The fourth proportional to 607.27, 903.62 and 605.22 is: 900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.27 : 903.62 = 605.22 : x
  2. Step 2: Convert to fraction form
    607.27/903.62 = 605.22/x
  3. Step 3: Cross multiply
    607.27x = 903.62 × 605.22
  4. Step 4: Simplify right side
    607.27x = 546,889.55
  5. Step 5: Solve for x
    x = 546,889.55/607.27
  6. Step 6: Final answer
    x = 900.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.