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Finding the Fourth Proportional to 500.94, 751.74 and 208.53

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Solution

The fourth proportional to 500.94, 751.74 and 208.53 is: 312.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    500.94 : 751.74 = 208.53 : x
  2. Step 2: Convert to fraction form
    500.94/751.74 = 208.53/x
  3. Step 3: Cross multiply
    500.94x = 751.74 × 208.53
  4. Step 4: Simplify right side
    500.94x = 156,760.34
  5. Step 5: Solve for x
    x = 156,760.34/500.94
  6. Step 6: Final answer
    x = 312.93

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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.