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Finding the Fourth Proportional to 540.04, 743.62 and 452.56

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Solution

The fourth proportional to 540.04, 743.62 and 452.56 is: 623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.04 : 743.62 = 452.56 : x
  2. Step 2: Convert to fraction form
    540.04/743.62 = 452.56/x
  3. Step 3: Cross multiply
    540.04x = 743.62 × 452.56
  4. Step 4: Simplify right side
    540.04x = 336,532.67
  5. Step 5: Solve for x
    x = 336,532.67/540.04
  6. Step 6: Final answer
    x = 623.16

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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.