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Finding the Fourth Proportional to 365.80, 544.80 and 350.01

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Solution

The fourth proportional to 365.80, 544.80 and 350.01 is: 521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.80 : 544.80 = 350.01 : x
  2. Step 2: Convert to fraction form
    365.80/544.80 = 350.01/x
  3. Step 3: Cross multiply
    365.80x = 544.80 × 350.01
  4. Step 4: Simplify right side
    365.80x = 190,685.45
  5. Step 5: Solve for x
    x = 190,685.45/365.80
  6. Step 6: Final answer
    x = 521.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.