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Finding the Fourth Proportional to 603.74, 901.26 and 558.65

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Solution

The fourth proportional to 603.74, 901.26 and 558.65 is: 833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.74 : 901.26 = 558.65 : x
  2. Step 2: Convert to fraction form
    603.74/901.26 = 558.65/x
  3. Step 3: Cross multiply
    603.74x = 901.26 × 558.65
  4. Step 4: Simplify right side
    603.74x = 503,488.90
  5. Step 5: Solve for x
    x = 503,488.90/603.74
  6. Step 6: Final answer
    x = 833.95

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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.