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Finding the Fourth Proportional to 910.98, 1,364.52 and 563.49

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Solution

The fourth proportional to 910.98, 1,364.52 and 563.49 is: 844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    910.98 : 1,364.52 = 563.49 : x
  2. Step 2: Convert to fraction form
    910.98/1,364.52 = 563.49/x
  3. Step 3: Cross multiply
    910.98x = 1,364.52 × 563.49
  4. Step 4: Simplify right side
    910.98x = 768,893.37
  5. Step 5: Solve for x
    x = 768,893.37/910.98
  6. Step 6: Final answer
    x = 844.03

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Double scale
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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.