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Finding the Fourth Proportional to 536.29, 804.50 and 189.55

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Solution

The fourth proportional to 536.29, 804.50 and 189.55 is: 284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.29 : 804.50 = 189.55 : x
  2. Step 2: Convert to fraction form
    536.29/804.50 = 189.55/x
  3. Step 3: Cross multiply
    536.29x = 804.50 × 189.55
  4. Step 4: Simplify right side
    536.29x = 152,492.35
  5. Step 5: Solve for x
    x = 152,492.35/536.29
  6. Step 6: Final answer
    x = 284.35

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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.