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Finding the Fourth Proportional to 145.83, 201.11 and 114.69

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Solution

The fourth proportional to 145.83, 201.11 and 114.69 is: 158.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145.83 : 201.11 = 114.69 : x
  2. Step 2: Convert to fraction form
    145.83/201.11 = 114.69/x
  3. Step 3: Cross multiply
    145.83x = 201.11 × 114.69
  4. Step 4: Simplify right side
    145.83x = 23,064.73
  5. Step 5: Solve for x
    x = 23,064.73/145.83
  6. Step 6: Final answer
    x = 158.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.