Home / 1,308.02-1,962.03-442.36

Finding the Fourth Proportional to 1,308.02, 1,962.03 and 442.36

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Solution

The fourth proportional to 1,308.02, 1,962.03 and 442.36 is: 663.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308.02 : 1,962.03 = 442.36 : x
  2. Step 2: Convert to fraction form
    1,308.02/1,962.03 = 442.36/x
  3. Step 3: Cross multiply
    1,308.02x = 1,962.03 × 442.36
  4. Step 4: Simplify right side
    1,308.02x = 867,923.59
  5. Step 5: Solve for x
    x = 867,923.59/1,308.02
  6. Step 6: Final answer
    x = 663.54

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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.