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Finding the Fourth Proportional to 362.68, 544.03 and 146.25

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Solution

The fourth proportional to 362.68, 544.03 and 146.25 is: 219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.68 : 544.03 = 146.25 : x
  2. Step 2: Convert to fraction form
    362.68/544.03 = 146.25/x
  3. Step 3: Cross multiply
    362.68x = 544.03 × 146.25
  4. Step 4: Simplify right side
    362.68x = 79,564.02
  5. Step 5: Solve for x
    x = 79,564.02/362.68
  6. Step 6: Final answer
    x = 219.38

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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.