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Finding the Fourth Proportional to 152.26, 228.06 and 94.50

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Solution

The fourth proportional to 152.26, 228.06 and 94.50 is: 141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.26 : 228.06 = 94.50 : x
  2. Step 2: Convert to fraction form
    152.26/228.06 = 94.50/x
  3. Step 3: Cross multiply
    152.26x = 228.06 × 94.50
  4. Step 4: Simplify right side
    152.26x = 21,550.06
  5. Step 5: Solve for x
    x = 21,550.06/152.26
  6. Step 6: Final answer
    x = 141.54

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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.