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Finding the Fourth Proportional to 480.03, 715.50 and 444.99

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Solution

The fourth proportional to 480.03, 715.50 and 444.99 is: 663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.03 : 715.50 = 444.99 : x
  2. Step 2: Convert to fraction form
    480.03/715.50 = 444.99/x
  3. Step 3: Cross multiply
    480.03x = 715.50 × 444.99
  4. Step 4: Simplify right side
    480.03x = 318,393.03
  5. Step 5: Solve for x
    x = 318,393.03/480.03
  6. Step 6: Final answer
    x = 663.28

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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.