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Finding the Fourth Proportional to 635.22, 876.02 and 446.07

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Solution

The fourth proportional to 635.22, 876.02 and 446.07 is: 615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.22 : 876.02 = 446.07 : x
  2. Step 2: Convert to fraction form
    635.22/876.02 = 446.07/x
  3. Step 3: Cross multiply
    635.22x = 876.02 × 446.07
  4. Step 4: Simplify right side
    635.22x = 390,764.01
  5. Step 5: Solve for x
    x = 390,764.01/635.22
  6. Step 6: Final answer
    x = 615.16

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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.