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Finding the Fourth Proportional to 544.50, 749.84 and 469.26

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Solution

The fourth proportional to 544.50, 749.84 and 469.26 is: 646.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.50 : 749.84 = 469.26 : x
  2. Step 2: Convert to fraction form
    544.50/749.84 = 469.26/x
  3. Step 3: Cross multiply
    544.50x = 749.84 × 469.26
  4. Step 4: Simplify right side
    544.50x = 351,869.92
  5. Step 5: Solve for x
    x = 351,869.92/544.50
  6. Step 6: Final answer
    x = 646.23

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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.