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Finding the Fourth Proportional to 536.07, 805.02 and 331.86

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Solution

The fourth proportional to 536.07, 805.02 and 331.86 is: 498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.07 : 805.02 = 331.86 : x
  2. Step 2: Convert to fraction form
    536.07/805.02 = 331.86/x
  3. Step 3: Cross multiply
    536.07x = 805.02 × 331.86
  4. Step 4: Simplify right side
    536.07x = 267,153.94
  5. Step 5: Solve for x
    x = 267,153.94/536.07
  6. Step 6: Final answer
    x = 498.36

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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.