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Finding the Fourth Proportional to 510.68, 765.98 and 164.26

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Solution

The fourth proportional to 510.68, 765.98 and 164.26 is: 246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.68 : 765.98 = 164.26 : x
  2. Step 2: Convert to fraction form
    510.68/765.98 = 164.26/x
  3. Step 3: Cross multiply
    510.68x = 765.98 × 164.26
  4. Step 4: Simplify right side
    510.68x = 125,817.14
  5. Step 5: Solve for x
    x = 125,817.14/510.68
  6. Step 6: Final answer
    x = 246.37

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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.