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Finding the Fourth Proportional to 636.41, 876.27 and 610.13

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Solution

The fourth proportional to 636.41, 876.27 and 610.13 is: 840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    636.41 : 876.27 = 610.13 : x
  2. Step 2: Convert to fraction form
    636.41/876.27 = 610.13/x
  3. Step 3: Cross multiply
    636.41x = 876.27 × 610.13
  4. Step 4: Simplify right side
    636.41x = 534,643.14
  5. Step 5: Solve for x
    x = 534,643.14/636.41
  6. Step 6: Final answer
    x = 840.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.