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Finding the Fourth Proportional to 432.03, 593.74 and 404.69

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Solution

The fourth proportional to 432.03, 593.74 and 404.69 is: 556.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    432.03 : 593.74 = 404.69 : x
  2. Step 2: Convert to fraction form
    432.03/593.74 = 404.69/x
  3. Step 3: Cross multiply
    432.03x = 593.74 × 404.69
  4. Step 4: Simplify right side
    432.03x = 240,280.64
  5. Step 5: Solve for x
    x = 240,280.64/432.03
  6. Step 6: Final answer
    x = 556.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.