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Finding the Fourth Proportional to 562.50, 842.32 and 301.54

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Solution

The fourth proportional to 562.50, 842.32 and 301.54 is: 451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.50 : 842.32 = 301.54 : x
  2. Step 2: Convert to fraction form
    562.50/842.32 = 301.54/x
  3. Step 3: Cross multiply
    562.50x = 842.32 × 301.54
  4. Step 4: Simplify right side
    562.50x = 253,993.17
  5. Step 5: Solve for x
    x = 253,993.17/562.50
  6. Step 6: Final answer
    x = 451.54

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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.