Home / 1,077.00-1,615.50-297.04

Finding the Fourth Proportional to 1,077.00, 1,615.50 and 297.04

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Solution

The fourth proportional to 1,077.00, 1,615.50 and 297.04 is: 445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077.00 : 1,615.50 = 297.04 : x
  2. Step 2: Convert to fraction form
    1,077.00/1,615.50 = 297.04/x
  3. Step 3: Cross multiply
    1,077.00x = 1,615.50 × 297.04
  4. Step 4: Simplify right side
    1,077.00x = 479,871.25
  5. Step 5: Solve for x
    x = 479,871.25/1,077.00
  6. Step 6: Final answer
    x = 445.56

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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.