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Finding the Fourth Proportional to 617.94, 847.26 and 607.14

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Solution

The fourth proportional to 617.94, 847.26 and 607.14 is: 832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.94 : 847.26 = 607.14 : x
  2. Step 2: Convert to fraction form
    617.94/847.26 = 607.14/x
  3. Step 3: Cross multiply
    617.94x = 847.26 × 607.14
  4. Step 4: Simplify right side
    617.94x = 514,405.44
  5. Step 5: Solve for x
    x = 514,405.44/617.94
  6. Step 6: Final answer
    x = 832.45

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.