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Finding the Fourth Proportional to 229.03, 315.82 and 146.14

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Solution

The fourth proportional to 229.03, 315.82 and 146.14 is: 201.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.03 : 315.82 = 146.14 : x
  2. Step 2: Convert to fraction form
    229.03/315.82 = 146.14/x
  3. Step 3: Cross multiply
    229.03x = 315.82 × 146.14
  4. Step 4: Simplify right side
    229.03x = 46,152.51
  5. Step 5: Solve for x
    x = 46,152.51/229.03
  6. Step 6: Final answer
    x = 201.52

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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.