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Finding the Fourth Proportional to 444.40, 613.52 and 297.25

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Solution

The fourth proportional to 444.40, 613.52 and 297.25 is: 410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.40 : 613.52 = 297.25 : x
  2. Step 2: Convert to fraction form
    444.40/613.52 = 297.25/x
  3. Step 3: Cross multiply
    444.40x = 613.52 × 297.25
  4. Step 4: Simplify right side
    444.40x = 182,368.82
  5. Step 5: Solve for x
    x = 182,368.82/444.40
  6. Step 6: Final answer
    x = 410.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.