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Finding the Fourth Proportional to 152.37, 228.44 and 94.51

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Solution

The fourth proportional to 152.37, 228.44 and 94.51 is: 141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152.37 : 228.44 = 94.51 : x
  2. Step 2: Convert to fraction form
    152.37/228.44 = 94.51/x
  3. Step 3: Cross multiply
    152.37x = 228.44 × 94.51
  4. Step 4: Simplify right side
    152.37x = 21,588.72
  5. Step 5: Solve for x
    x = 21,588.72/152.37
  6. Step 6: Final answer
    x = 141.69

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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.