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Finding the Fourth Proportional to 347.57, 522.01 and 298.26

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Solution

The fourth proportional to 347.57, 522.01 and 298.26 is: 447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.57 : 522.01 = 298.26 : x
  2. Step 2: Convert to fraction form
    347.57/522.01 = 298.26/x
  3. Step 3: Cross multiply
    347.57x = 522.01 × 298.26
  4. Step 4: Simplify right side
    347.57x = 155,695.08
  5. Step 5: Solve for x
    x = 155,695.08/347.57
  6. Step 6: Final answer
    x = 447.95

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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.