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Finding the Fourth Proportional to 604.80, 908.16 and 536.48

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Solution

The fourth proportional to 604.80, 908.16 and 536.48 is: 805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    604.80 : 908.16 = 536.48 : x
  2. Step 2: Convert to fraction form
    604.80/908.16 = 536.48/x
  3. Step 3: Cross multiply
    604.80x = 908.16 × 536.48
  4. Step 4: Simplify right side
    604.80x = 487,209.68
  5. Step 5: Solve for x
    x = 487,209.68/604.80
  6. Step 6: Final answer
    x = 805.57

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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.