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Finding the Fourth Proportional to 483.30, 719.74 and 452.16

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Solution

The fourth proportional to 483.30, 719.74 and 452.16 is: 673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.30 : 719.74 = 452.16 : x
  2. Step 2: Convert to fraction form
    483.30/719.74 = 452.16/x
  3. Step 3: Cross multiply
    483.30x = 719.74 × 452.16
  4. Step 4: Simplify right side
    483.30x = 325,437.64
  5. Step 5: Solve for x
    x = 325,437.64/483.30
  6. Step 6: Final answer
    x = 673.37

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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.