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Finding the Fourth Proportional to 544.82, 747.91 and 501.08

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Solution

The fourth proportional to 544.82, 747.91 and 501.08 is: 687.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.82 : 747.91 = 501.08 : x
  2. Step 2: Convert to fraction form
    544.82/747.91 = 501.08/x
  3. Step 3: Cross multiply
    544.82x = 747.91 × 501.08
  4. Step 4: Simplify right side
    544.82x = 374,762.74
  5. Step 5: Solve for x
    x = 374,762.74/544.82
  6. Step 6: Final answer
    x = 687.87

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.