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Finding the Fourth Proportional to 465.32, 641.59 and 432.51

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Solution

The fourth proportional to 465.32, 641.59 and 432.51 is: 596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    465.32 : 641.59 = 432.51 : x
  2. Step 2: Convert to fraction form
    465.32/641.59 = 432.51/x
  3. Step 3: Cross multiply
    465.32x = 641.59 × 432.51
  4. Step 4: Simplify right side
    465.32x = 277,494.09
  5. Step 5: Solve for x
    x = 277,494.09/465.32
  6. Step 6: Final answer
    x = 596.35

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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.