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Finding the Fourth Proportional to 153.36, 210.46 and 141.04

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Solution

The fourth proportional to 153.36, 210.46 and 141.04 is: 193.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.36 : 210.46 = 141.04 : x
  2. Step 2: Convert to fraction form
    153.36/210.46 = 141.04/x
  3. Step 3: Cross multiply
    153.36x = 210.46 × 141.04
  4. Step 4: Simplify right side
    153.36x = 29,683.28
  5. Step 5: Solve for x
    x = 29,683.28/153.36
  6. Step 6: Final answer
    x = 193.55

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.