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Finding the Fourth Proportional to 461.72, 637.16 and 265.16

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Solution

The fourth proportional to 461.72, 637.16 and 265.16 is: 365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.72 : 637.16 = 265.16 : x
  2. Step 2: Convert to fraction form
    461.72/637.16 = 265.16/x
  3. Step 3: Cross multiply
    461.72x = 637.16 × 265.16
  4. Step 4: Simplify right side
    461.72x = 168,949.35
  5. Step 5: Solve for x
    x = 168,949.35/461.72
  6. Step 6: Final answer
    x = 365.91

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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.