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Finding the Fourth Proportional to 235.77, 325.26 and 152.92

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Solution

The fourth proportional to 235.77, 325.26 and 152.92 is: 210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.77 : 325.26 = 152.92 : x
  2. Step 2: Convert to fraction form
    235.77/325.26 = 152.92/x
  3. Step 3: Cross multiply
    235.77x = 325.26 × 152.92
  4. Step 4: Simplify right side
    235.77x = 49,738.76
  5. Step 5: Solve for x
    x = 49,738.76/235.77
  6. Step 6: Final answer
    x = 210.96

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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.