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Finding the Fourth Proportional to 440.24, 603.05 and 435.38

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Solution

The fourth proportional to 440.24, 603.05 and 435.38 is: 596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.24 : 603.05 = 435.38 : x
  2. Step 2: Convert to fraction form
    440.24/603.05 = 435.38/x
  3. Step 3: Cross multiply
    440.24x = 603.05 × 435.38
  4. Step 4: Simplify right side
    440.24x = 262,550.72
  5. Step 5: Solve for x
    x = 262,550.72/440.24
  6. Step 6: Final answer
    x = 596.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.