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Finding the Fourth Proportional to 480.87, 717.26 and 402.93

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Solution

The fourth proportional to 480.87, 717.26 and 402.93 is: 601.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.87 : 717.26 = 402.93 : x
  2. Step 2: Convert to fraction form
    480.87/717.26 = 402.93/x
  3. Step 3: Cross multiply
    480.87x = 717.26 × 402.93
  4. Step 4: Simplify right side
    480.87x = 289,003.56
  5. Step 5: Solve for x
    x = 289,003.56/480.87
  6. Step 6: Final answer
    x = 601.00

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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.