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Finding the Fourth Proportional to 151.62, 228.46 and 125.16

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Solution

The fourth proportional to 151.62, 228.46 and 125.16 is: 188.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.62 : 228.46 = 125.16 : x
  2. Step 2: Convert to fraction form
    151.62/228.46 = 125.16/x
  3. Step 3: Cross multiply
    151.62x = 228.46 × 125.16
  4. Step 4: Simplify right side
    151.62x = 28,594.05
  5. Step 5: Solve for x
    x = 28,594.05/151.62
  6. Step 6: Final answer
    x = 188.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.