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Finding the Fourth Proportional to 544.01, 750.22 and 395.62

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Solution

The fourth proportional to 544.01, 750.22 and 395.62 is: 545.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.01 : 750.22 = 395.62 : x
  2. Step 2: Convert to fraction form
    544.01/750.22 = 395.62/x
  3. Step 3: Cross multiply
    544.01x = 750.22 × 395.62
  4. Step 4: Simplify right side
    544.01x = 296,796.31
  5. Step 5: Solve for x
    x = 296,796.31/544.01
  6. Step 6: Final answer
    x = 545.57

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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.