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Finding the Fourth Proportional to 590.04, 813.81 and 432.49

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Solution

The fourth proportional to 590.04, 813.81 and 432.49 is: 596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.04 : 813.81 = 432.49 : x
  2. Step 2: Convert to fraction form
    590.04/813.81 = 432.49/x
  3. Step 3: Cross multiply
    590.04x = 813.81 × 432.49
  4. Step 4: Simplify right side
    590.04x = 351,964.69
  5. Step 5: Solve for x
    x = 351,964.69/590.04
  6. Step 6: Final answer
    x = 596.51

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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.