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Finding the Fourth Proportional to 635.04, 876.47 and 411.25

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Solution

The fourth proportional to 635.04, 876.47 and 411.25 is: 567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.04 : 876.47 = 411.25 : x
  2. Step 2: Convert to fraction form
    635.04/876.47 = 411.25/x
  3. Step 3: Cross multiply
    635.04x = 876.47 × 411.25
  4. Step 4: Simplify right side
    635.04x = 360,448.29
  5. Step 5: Solve for x
    x = 360,448.29/635.04
  6. Step 6: Final answer
    x = 567.60

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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.