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Finding the Fourth Proportional to 562.28, 843.35 and 177.53

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Solution

The fourth proportional to 562.28, 843.35 and 177.53 is: 266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.28 : 843.35 = 177.53 : x
  2. Step 2: Convert to fraction form
    562.28/843.35 = 177.53/x
  3. Step 3: Cross multiply
    562.28x = 843.35 × 177.53
  4. Step 4: Simplify right side
    562.28x = 149,714.82
  5. Step 5: Solve for x
    x = 149,714.82/562.28
  6. Step 6: Final answer
    x = 266.27

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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.