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Finding the Fourth Proportional to 602.49, 901.26 and 480.99

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Solution

The fourth proportional to 602.49, 901.26 and 480.99 is: 719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.49 : 901.26 = 480.99 : x
  2. Step 2: Convert to fraction form
    602.49/901.26 = 480.99/x
  3. Step 3: Cross multiply
    602.49x = 901.26 × 480.99
  4. Step 4: Simplify right side
    602.49x = 433,497.05
  5. Step 5: Solve for x
    x = 433,497.05/602.49
  6. Step 6: Final answer
    x = 719.51

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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.