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Finding the Fourth Proportional to 418.00, 625.69 and 373.97

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Solution

The fourth proportional to 418.00, 625.69 and 373.97 is: 559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    418.00 : 625.69 = 373.97 : x
  2. Step 2: Convert to fraction form
    418.00/625.69 = 373.97/x
  3. Step 3: Cross multiply
    418.00x = 625.69 × 373.97
  4. Step 4: Simplify right side
    418.00x = 233,989.77
  5. Step 5: Solve for x
    x = 233,989.77/418.00
  6. Step 6: Final answer
    x = 559.78

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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.