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Finding the Fourth Proportional to 562.68, 843.48 and 356.67

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Solution

The fourth proportional to 562.68, 843.48 and 356.67 is: 534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.68 : 843.48 = 356.67 : x
  2. Step 2: Convert to fraction form
    562.68/843.48 = 356.67/x
  3. Step 3: Cross multiply
    562.68x = 843.48 × 356.67
  4. Step 4: Simplify right side
    562.68x = 300,844.01
  5. Step 5: Solve for x
    x = 300,844.01/562.68
  6. Step 6: Final answer
    x = 534.66

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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.