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Finding the Fourth Proportional to 603.11, 900.23 and 559.15

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Solution

The fourth proportional to 603.11, 900.23 and 559.15 is: 834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.11 : 900.23 = 559.15 : x
  2. Step 2: Convert to fraction form
    603.11/900.23 = 559.15/x
  3. Step 3: Cross multiply
    603.11x = 900.23 × 559.15
  4. Step 4: Simplify right side
    603.11x = 503,358.56
  5. Step 5: Solve for x
    x = 503,358.56/603.11
  6. Step 6: Final answer
    x = 834.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.