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Finding the Fourth Proportional to 479.88, 663.10 and 414.27

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Solution

The fourth proportional to 479.88, 663.10 and 414.27 is: 572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    479.88 : 663.10 = 414.27 : x
  2. Step 2: Convert to fraction form
    479.88/663.10 = 414.27/x
  3. Step 3: Cross multiply
    479.88x = 663.10 × 414.27
  4. Step 4: Simplify right side
    479.88x = 274,701.40
  5. Step 5: Solve for x
    x = 274,701.40/479.88
  6. Step 6: Final answer
    x = 572.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.