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Finding the Fourth Proportional to 704.93, 973.02 and 456.25

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Solution

The fourth proportional to 704.93, 973.02 and 456.25 is: 629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.93 : 973.02 = 456.25 : x
  2. Step 2: Convert to fraction form
    704.93/973.02 = 456.25/x
  3. Step 3: Cross multiply
    704.93x = 973.02 × 456.25
  4. Step 4: Simplify right side
    704.93x = 443,933.23
  5. Step 5: Solve for x
    x = 443,933.23/704.93
  6. Step 6: Final answer
    x = 629.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.