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Finding the Fourth Proportional to 497.28, 745.02 and 314.22

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Solution

The fourth proportional to 497.28, 745.02 and 314.22 is: 470.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    497.28 : 745.02 = 314.22 : x
  2. Step 2: Convert to fraction form
    497.28/745.02 = 314.22/x
  3. Step 3: Cross multiply
    497.28x = 745.02 × 314.22
  4. Step 4: Simplify right side
    497.28x = 234,100.18
  5. Step 5: Solve for x
    x = 234,100.18/497.28
  6. Step 6: Final answer
    x = 470.76

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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.