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Finding the Fourth Proportional to 626.04, 939.06 and 369

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Solution

The fourth proportional to 626.04, 939.06 and 369 is: 553.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.04 : 939.06 = 369 : x
  2. Step 2: Convert to fraction form
    626.04/939.06 = 369/x
  3. Step 3: Cross multiply
    626.04x = 939.06 × 369
  4. Step 4: Simplify right side
    626.04x = 346,513.14
  5. Step 5: Solve for x
    x = 346,513.14/626.04
  6. Step 6: Final answer
    x = 553.50

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Similar ratio
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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.