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Finding the Fourth Proportional to 563.04, 844.29 and 319.77

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Solution

The fourth proportional to 563.04, 844.29 and 319.77 is: 479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.04 : 844.29 = 319.77 : x
  2. Step 2: Convert to fraction form
    563.04/844.29 = 319.77/x
  3. Step 3: Cross multiply
    563.04x = 844.29 × 319.77
  4. Step 4: Simplify right side
    563.04x = 269,978.61
  5. Step 5: Solve for x
    x = 269,978.61/563.04
  6. Step 6: Final answer
    x = 479.50

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Double scale
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Similar ratio
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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.