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Finding the Fourth Proportional to 152.51, 228.26 and 103.03

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Solution

The fourth proportional to 152.51, 228.26 and 103.03 is: 154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.51 : 228.26 = 103.03 : x
  2. Step 2: Convert to fraction form
    152.51/228.26 = 103.03/x
  3. Step 3: Cross multiply
    152.51x = 228.26 × 103.03
  4. Step 4: Simplify right side
    152.51x = 23,517.63
  5. Step 5: Solve for x
    x = 23,517.63/152.51
  6. Step 6: Final answer
    x = 154.20

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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.