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Finding the Fourth Proportional to 626.04, 938.19 and 348.51

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Solution

The fourth proportional to 626.04, 938.19 and 348.51 is: 522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.04 : 938.19 = 348.51 : x
  2. Step 2: Convert to fraction form
    626.04/938.19 = 348.51/x
  3. Step 3: Cross multiply
    626.04x = 938.19 × 348.51
  4. Step 4: Simplify right side
    626.04x = 326,968.60
  5. Step 5: Solve for x
    x = 326,968.60/626.04
  6. Step 6: Final answer
    x = 522.28

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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.