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Finding the Fourth Proportional to 350.32, 483.51 and 232.31

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Solution

The fourth proportional to 350.32, 483.51 and 232.31 is: 320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.32 : 483.51 = 232.31 : x
  2. Step 2: Convert to fraction form
    350.32/483.51 = 232.31/x
  3. Step 3: Cross multiply
    350.32x = 483.51 × 232.31
  4. Step 4: Simplify right side
    350.32x = 112,325.42
  5. Step 5: Solve for x
    x = 112,325.42/350.32
  6. Step 6: Final answer
    x = 320.64

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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.