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Finding the Fourth Proportional to 151.37, 228.10 and 136.93

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Solution

The fourth proportional to 151.37, 228.10 and 136.93 is: 206.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.37 : 228.10 = 136.93 : x
  2. Step 2: Convert to fraction form
    151.37/228.10 = 136.93/x
  3. Step 3: Cross multiply
    151.37x = 228.10 × 136.93
  4. Step 4: Simplify right side
    151.37x = 31,233.73
  5. Step 5: Solve for x
    x = 31,233.73/151.37
  6. Step 6: Final answer
    x = 206.34

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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.