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Finding the Fourth Proportional to 610.04, 913.44 and 493.68

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Solution

The fourth proportional to 610.04, 913.44 and 493.68 is: 739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.04 : 913.44 = 493.68 : x
  2. Step 2: Convert to fraction form
    610.04/913.44 = 493.68/x
  3. Step 3: Cross multiply
    610.04x = 913.44 × 493.68
  4. Step 4: Simplify right side
    610.04x = 450,947.06
  5. Step 5: Solve for x
    x = 450,947.06/610.04
  6. Step 6: Final answer
    x = 739.21

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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.