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Finding the Fourth Proportional to 538.26, 743.01 and 373.14

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Solution

The fourth proportional to 538.26, 743.01 and 373.14 is: 515.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    538.26 : 743.01 = 373.14 : x
  2. Step 2: Convert to fraction form
    538.26/743.01 = 373.14/x
  3. Step 3: Cross multiply
    538.26x = 743.01 × 373.14
  4. Step 4: Simplify right side
    538.26x = 277,246.75
  5. Step 5: Solve for x
    x = 277,246.75/538.26
  6. Step 6: Final answer
    x = 515.08

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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.