Home / 626.04-938.71-193.14

Finding the Fourth Proportional to 626.04, 938.71 and 193.14

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Solution

The fourth proportional to 626.04, 938.71 and 193.14 is: 289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.04 : 938.71 = 193.14 : x
  2. Step 2: Convert to fraction form
    626.04/938.71 = 193.14/x
  3. Step 3: Cross multiply
    626.04x = 938.71 × 193.14
  4. Step 4: Simplify right side
    626.04x = 181,302.45
  5. Step 5: Solve for x
    x = 181,302.45/626.04
  6. Step 6: Final answer
    x = 289.60

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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.