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Finding the Fourth Proportional to 562.01, 842.98 and 151.18

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Solution

The fourth proportional to 562.01, 842.98 and 151.18 is: 226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    562.01 : 842.98 = 151.18 : x
  2. Step 2: Convert to fraction form
    562.01/842.98 = 151.18/x
  3. Step 3: Cross multiply
    562.01x = 842.98 × 151.18
  4. Step 4: Simplify right side
    562.01x = 127,441.72
  5. Step 5: Solve for x
    x = 127,441.72/562.01
  6. Step 6: Final answer
    x = 226.76

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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.