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Finding the Fourth Proportional to 494.90, 737.86 and 482.08

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Solution

The fourth proportional to 494.90, 737.86 and 482.08 is: 718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    494.90 : 737.86 = 482.08 : x
  2. Step 2: Convert to fraction form
    494.90/737.86 = 482.08/x
  3. Step 3: Cross multiply
    494.90x = 737.86 × 482.08
  4. Step 4: Simplify right side
    494.90x = 355,707.55
  5. Step 5: Solve for x
    x = 355,707.55/494.90
  6. Step 6: Final answer
    x = 718.75

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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.