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Finding the Fourth Proportional to 461.17, 636.45 and 264.67

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Solution

The fourth proportional to 461.17, 636.45 and 264.67 is: 365.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.17 : 636.45 = 264.67 : x
  2. Step 2: Convert to fraction form
    461.17/636.45 = 264.67/x
  3. Step 3: Cross multiply
    461.17x = 636.45 × 264.67
  4. Step 4: Simplify right side
    461.17x = 168,449.22
  5. Step 5: Solve for x
    x = 168,449.22/461.17
  6. Step 6: Final answer
    x = 365.26

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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.