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Finding the Fourth Proportional to 347.60, 522.12 and 275.96

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Solution

The fourth proportional to 347.60, 522.12 and 275.96 is: 414.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    347.60 : 522.12 = 275.96 : x
  2. Step 2: Convert to fraction form
    347.60/522.12 = 275.96/x
  3. Step 3: Cross multiply
    347.60x = 522.12 × 275.96
  4. Step 4: Simplify right side
    347.60x = 144,084.24
  5. Step 5: Solve for x
    x = 144,084.24/347.60
  6. Step 6: Final answer
    x = 414.51

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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.