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Finding the Fourth Proportional to 510.63, 764.93 and 236.35

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Solution

The fourth proportional to 510.63, 764.93 and 236.35 is: 354.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.63 : 764.93 = 236.35 : x
  2. Step 2: Convert to fraction form
    510.63/764.93 = 236.35/x
  3. Step 3: Cross multiply
    510.63x = 764.93 × 236.35
  4. Step 4: Simplify right side
    510.63x = 180,791.21
  5. Step 5: Solve for x
    x = 180,791.21/510.63
  6. Step 6: Final answer
    x = 354.06

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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.