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Finding the Fourth Proportional to 153.33, 230.04 and 95.60

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Solution

The fourth proportional to 153.33, 230.04 and 95.60 is: 143.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.33 : 230.04 = 95.60 : x
  2. Step 2: Convert to fraction form
    153.33/230.04 = 95.60/x
  3. Step 3: Cross multiply
    153.33x = 230.04 × 95.60
  4. Step 4: Simplify right side
    153.33x = 21,990.67
  5. Step 5: Solve for x
    x = 21,990.67/153.33
  6. Step 6: Final answer
    x = 143.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.