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Finding the Fourth Proportional to 610.09, 841.28 and 461.06

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Solution

The fourth proportional to 610.09, 841.28 and 461.06 is: 635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.09 : 841.28 = 461.06 : x
  2. Step 2: Convert to fraction form
    610.09/841.28 = 461.06/x
  3. Step 3: Cross multiply
    610.09x = 841.28 × 461.06
  4. Step 4: Simplify right side
    610.09x = 387,880.56
  5. Step 5: Solve for x
    x = 387,880.56/610.09
  6. Step 6: Final answer
    x = 635.78

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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.