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Finding the Fourth Proportional to 536.03, 804.02 and 319.13

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Solution

The fourth proportional to 536.03, 804.02 and 319.13 is: 478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.03 : 804.02 = 319.13 : x
  2. Step 2: Convert to fraction form
    536.03/804.02 = 319.13/x
  3. Step 3: Cross multiply
    536.03x = 804.02 × 319.13
  4. Step 4: Simplify right side
    536.03x = 256,581.29
  5. Step 5: Solve for x
    x = 256,581.29/536.03
  6. Step 6: Final answer
    x = 478.67

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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.