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Finding the Fourth Proportional to 144.93, 216.07 and 141.37

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Solution

The fourth proportional to 144.93, 216.07 and 141.37 is: 210.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.93 : 216.07 = 141.37 : x
  2. Step 2: Convert to fraction form
    144.93/216.07 = 141.37/x
  3. Step 3: Cross multiply
    144.93x = 216.07 × 141.37
  4. Step 4: Simplify right side
    144.93x = 30,545.82
  5. Step 5: Solve for x
    x = 30,545.82/144.93
  6. Step 6: Final answer
    x = 210.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.