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Finding the Fourth Proportional to 536.04, 803.98 and 445.32

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Solution

The fourth proportional to 536.04, 803.98 and 445.32 is: 667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.04 : 803.98 = 445.32 : x
  2. Step 2: Convert to fraction form
    536.04/803.98 = 445.32/x
  3. Step 3: Cross multiply
    536.04x = 803.98 × 445.32
  4. Step 4: Simplify right side
    536.04x = 358,028.37
  5. Step 5: Solve for x
    x = 358,028.37/536.04
  6. Step 6: Final answer
    x = 667.91

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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.