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Finding the Fourth Proportional to 544.90, 752.48 and 379.57

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Solution

The fourth proportional to 544.90, 752.48 and 379.57 is: 524.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.90 : 752.48 = 379.57 : x
  2. Step 2: Convert to fraction form
    544.90/752.48 = 379.57/x
  3. Step 3: Cross multiply
    544.90x = 752.48 × 379.57
  4. Step 4: Simplify right side
    544.90x = 285,615.07
  5. Step 5: Solve for x
    x = 285,615.07/544.90
  6. Step 6: Final answer
    x = 524.16

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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.