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Finding the Fourth Proportional to 444.98, 614.11 and 258.45

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Solution

The fourth proportional to 444.98, 614.11 and 258.45 is: 356.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.98 : 614.11 = 258.45 : x
  2. Step 2: Convert to fraction form
    444.98/614.11 = 258.45/x
  3. Step 3: Cross multiply
    444.98x = 614.11 × 258.45
  4. Step 4: Simplify right side
    444.98x = 158,716.08
  5. Step 5: Solve for x
    x = 158,716.08/444.98
  6. Step 6: Final answer
    x = 356.69

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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.