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Finding the Fourth Proportional to 101.02, 152.30 and 94.06

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Solution

The fourth proportional to 101.02, 152.30 and 94.06 is: 141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.02 : 152.30 = 94.06 : x
  2. Step 2: Convert to fraction form
    101.02/152.30 = 94.06/x
  3. Step 3: Cross multiply
    101.02x = 152.30 × 94.06
  4. Step 4: Simplify right side
    101.02x = 14,325.34
  5. Step 5: Solve for x
    x = 14,325.34/101.02
  6. Step 6: Final answer
    x = 141.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.