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Finding the Fourth Proportional to 431.19, 595.49 and 376.52

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Solution

The fourth proportional to 431.19, 595.49 and 376.52 is: 519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    431.19 : 595.49 = 376.52 : x
  2. Step 2: Convert to fraction form
    431.19/595.49 = 376.52/x
  3. Step 3: Cross multiply
    431.19x = 595.49 × 376.52
  4. Step 4: Simplify right side
    431.19x = 224,209.03
  5. Step 5: Solve for x
    x = 224,209.03/431.19
  6. Step 6: Final answer
    x = 519.98

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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.