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Finding the Fourth Proportional to 504.13, 755.88 and 330.59

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Solution

The fourth proportional to 504.13, 755.88 and 330.59 is: 495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.13 : 755.88 = 330.59 : x
  2. Step 2: Convert to fraction form
    504.13/755.88 = 330.59/x
  3. Step 3: Cross multiply
    504.13x = 755.88 × 330.59
  4. Step 4: Simplify right side
    504.13x = 249,886.37
  5. Step 5: Solve for x
    x = 249,886.37/504.13
  6. Step 6: Final answer
    x = 495.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.