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Finding the Fourth Proportional to 626.02, 932.72 and 617.11

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Solution

The fourth proportional to 626.02, 932.72 and 617.11 is: 919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.02 : 932.72 = 617.11 : x
  2. Step 2: Convert to fraction form
    626.02/932.72 = 617.11/x
  3. Step 3: Cross multiply
    626.02x = 932.72 × 617.11
  4. Step 4: Simplify right side
    626.02x = 575,590.84
  5. Step 5: Solve for x
    x = 575,590.84/626.02
  6. Step 6: Final answer
    x = 919.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.