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Finding the Fourth Proportional to 461.70, 636.26 and 433.35

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Solution

The fourth proportional to 461.70, 636.26 and 433.35 is: 597.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    461.70 : 636.26 = 433.35 : x
  2. Step 2: Convert to fraction form
    461.70/636.26 = 433.35/x
  3. Step 3: Cross multiply
    461.70x = 636.26 × 433.35
  4. Step 4: Simplify right side
    461.70x = 275,721.10
  5. Step 5: Solve for x
    x = 275,721.10/461.70
  6. Step 6: Final answer
    x = 597.19

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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.