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Finding the Fourth Proportional to 536.46, 803.89 and 262.24

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Solution

The fourth proportional to 536.46, 803.89 and 262.24 is: 392.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.46 : 803.89 = 262.24 : x
  2. Step 2: Convert to fraction form
    536.46/803.89 = 262.24/x
  3. Step 3: Cross multiply
    536.46x = 803.89 × 262.24
  4. Step 4: Simplify right side
    536.46x = 210,812.11
  5. Step 5: Solve for x
    x = 210,812.11/536.46
  6. Step 6: Final answer
    x = 392.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.