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Finding the Fourth Proportional to 375.68, 562.75 and 348.34

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Solution

The fourth proportional to 375.68, 562.75 and 348.34 is: 521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.68 : 562.75 = 348.34 : x
  2. Step 2: Convert to fraction form
    375.68/562.75 = 348.34/x
  3. Step 3: Cross multiply
    375.68x = 562.75 × 348.34
  4. Step 4: Simplify right side
    375.68x = 196,028.34
  5. Step 5: Solve for x
    x = 196,028.34/375.68
  6. Step 6: Final answer
    x = 521.80

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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.