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Finding the Fourth Proportional to 540.02, 742.89 and 473.33

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Solution

The fourth proportional to 540.02, 742.89 and 473.33 is: 651.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    540.02 : 742.89 = 473.33 : x
  2. Step 2: Convert to fraction form
    540.02/742.89 = 473.33/x
  3. Step 3: Cross multiply
    540.02x = 742.89 × 473.33
  4. Step 4: Simplify right side
    540.02x = 351,632.12
  5. Step 5: Solve for x
    x = 351,632.12/540.02
  6. Step 6: Final answer
    x = 651.15

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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.