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Finding the Fourth Proportional to 444.98, 614.20 and 258.52

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Solution

The fourth proportional to 444.98, 614.20 and 258.52 is: 356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.98 : 614.20 = 258.52 : x
  2. Step 2: Convert to fraction form
    444.98/614.20 = 258.52/x
  3. Step 3: Cross multiply
    444.98x = 614.20 × 258.52
  4. Step 4: Simplify right side
    444.98x = 158,782.98
  5. Step 5: Solve for x
    x = 158,782.98/444.98
  6. Step 6: Final answer
    x = 356.83

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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.