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Finding the Fourth Proportional to 453.17, 677.13 and 360.89

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Solution

The fourth proportional to 453.17, 677.13 and 360.89 is: 539.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    453.17 : 677.13 = 360.89 : x
  2. Step 2: Convert to fraction form
    453.17/677.13 = 360.89/x
  3. Step 3: Cross multiply
    453.17x = 677.13 × 360.89
  4. Step 4: Simplify right side
    453.17x = 244,369.45
  5. Step 5: Solve for x
    x = 244,369.45/453.17
  6. Step 6: Final answer
    x = 539.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.