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Finding the Fourth Proportional to 674.02, 928.44 and 564.10

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Solution

The fourth proportional to 674.02, 928.44 and 564.10 is: 777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    674.02 : 928.44 = 564.10 : x
  2. Step 2: Convert to fraction form
    674.02/928.44 = 564.10/x
  3. Step 3: Cross multiply
    674.02x = 928.44 × 564.10
  4. Step 4: Simplify right side
    674.02x = 523,733.00
  5. Step 5: Solve for x
    x = 523,733.00/674.02
  6. Step 6: Final answer
    x = 777.03

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Why These Related Problems?

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