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Finding the Fourth Proportional to 511.03, 704.59 and 432.21

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Solution

The fourth proportional to 511.03, 704.59 and 432.21 is: 595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    511.03 : 704.59 = 432.21 : x
  2. Step 2: Convert to fraction form
    511.03/704.59 = 432.21/x
  3. Step 3: Cross multiply
    511.03x = 704.59 × 432.21
  4. Step 4: Simplify right side
    511.03x = 304,530.84
  5. Step 5: Solve for x
    x = 304,530.84/511.03
  6. Step 6: Final answer
    x = 595.92

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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.