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Finding the Fourth Proportional to 635.56, 876.18 and 536.92

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Solution

The fourth proportional to 635.56, 876.18 and 536.92 is: 740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.56 : 876.18 = 536.92 : x
  2. Step 2: Convert to fraction form
    635.56/876.18 = 536.92/x
  3. Step 3: Cross multiply
    635.56x = 876.18 × 536.92
  4. Step 4: Simplify right side
    635.56x = 470,438.57
  5. Step 5: Solve for x
    x = 470,438.57/635.56
  6. Step 6: Final answer
    x = 740.20

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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.