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Finding the Fourth Proportional to 235.77, 325.43 and 152.87

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Solution

The fourth proportional to 235.77, 325.43 and 152.87 is: 211.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.77 : 325.43 = 152.87 : x
  2. Step 2: Convert to fraction form
    235.77/325.43 = 152.87/x
  3. Step 3: Cross multiply
    235.77x = 325.43 × 152.87
  4. Step 4: Simplify right side
    235.77x = 49,748.48
  5. Step 5: Solve for x
    x = 49,748.48/235.77
  6. Step 6: Final answer
    x = 211.00

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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.