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Finding the Fourth Proportional to 495.90, 739.35 and 483.08

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Solution

The fourth proportional to 495.90, 739.35 and 483.08 is: 720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.90 : 739.35 = 483.08 : x
  2. Step 2: Convert to fraction form
    495.90/739.35 = 483.08/x
  3. Step 3: Cross multiply
    495.90x = 739.35 × 483.08
  4. Step 4: Simplify right side
    495.90x = 357,161.50
  5. Step 5: Solve for x
    x = 357,161.50/495.90
  6. Step 6: Final answer
    x = 720.23

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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.