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Finding the Fourth Proportional to 432.56, 651.40 and 364.52

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Solution

The fourth proportional to 432.56, 651.40 and 364.52 is: 548.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.56 : 651.40 = 364.52 : x
  2. Step 2: Convert to fraction form
    432.56/651.40 = 364.52/x
  3. Step 3: Cross multiply
    432.56x = 651.40 × 364.52
  4. Step 4: Simplify right side
    432.56x = 237,448.33
  5. Step 5: Solve for x
    x = 237,448.33/432.56
  6. Step 6: Final answer
    x = 548.94

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.