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Finding the Fourth Proportional to 431.84, 595.95 and 235.37

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Solution

The fourth proportional to 431.84, 595.95 and 235.37 is: 324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.84 : 595.95 = 235.37 : x
  2. Step 2: Convert to fraction form
    431.84/595.95 = 235.37/x
  3. Step 3: Cross multiply
    431.84x = 595.95 × 235.37
  4. Step 4: Simplify right side
    431.84x = 140,265.77
  5. Step 5: Solve for x
    x = 140,265.77/431.84
  6. Step 6: Final answer
    x = 324.81

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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.