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Finding the Fourth Proportional to 563.88, 844.95 and 303.93

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Solution

The fourth proportional to 563.88, 844.95 and 303.93 is: 455.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.88 : 844.95 = 303.93 : x
  2. Step 2: Convert to fraction form
    563.88/844.95 = 303.93/x
  3. Step 3: Cross multiply
    563.88x = 844.95 × 303.93
  4. Step 4: Simplify right side
    563.88x = 256,805.65
  5. Step 5: Solve for x
    x = 256,805.65/563.88
  6. Step 6: Final answer
    x = 455.43

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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.