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Finding the Fourth Proportional to 536.36, 803.99 and 383.27

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Solution

The fourth proportional to 536.36, 803.99 and 383.27 is: 574.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.36 : 803.99 = 383.27 : x
  2. Step 2: Convert to fraction form
    536.36/803.99 = 383.27/x
  3. Step 3: Cross multiply
    536.36x = 803.99 × 383.27
  4. Step 4: Simplify right side
    536.36x = 308,142.19
  5. Step 5: Solve for x
    x = 308,142.19/536.36
  6. Step 6: Final answer
    x = 574.51

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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.