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Finding the Fourth Proportional to 480.50, 718.11 and 350.77

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Solution

The fourth proportional to 480.50, 718.11 and 350.77 is: 524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    480.50 : 718.11 = 350.77 : x
  2. Step 2: Convert to fraction form
    480.50/718.11 = 350.77/x
  3. Step 3: Cross multiply
    480.50x = 718.11 × 350.77
  4. Step 4: Simplify right side
    480.50x = 251,890.35
  5. Step 5: Solve for x
    x = 251,890.35/480.50
  6. Step 6: Final answer
    x = 524.23

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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.