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Finding the Fourth Proportional to 172.19, 237.30 and 141.01

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Solution

The fourth proportional to 172.19, 237.30 and 141.01 is: 194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172.19 : 237.30 = 141.01 : x
  2. Step 2: Convert to fraction form
    172.19/237.30 = 141.01/x
  3. Step 3: Cross multiply
    172.19x = 237.30 × 141.01
  4. Step 4: Simplify right side
    172.19x = 33,461.67
  5. Step 5: Solve for x
    x = 33,461.67/172.19
  6. Step 6: Final answer
    x = 194.33

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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.