Home / 1,237.03-1,855.25-359.35

Finding the Fourth Proportional to 1,237.03, 1,855.25 and 359.35

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Solution

The fourth proportional to 1,237.03, 1,855.25 and 359.35 is: 538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237.03 : 1,855.25 = 359.35 : x
  2. Step 2: Convert to fraction form
    1,237.03/1,855.25 = 359.35/x
  3. Step 3: Cross multiply
    1,237.03x = 1,855.25 × 359.35
  4. Step 4: Simplify right side
    1,237.03x = 666,684.09
  5. Step 5: Solve for x
    x = 666,684.09/1,237.03
  6. Step 6: Final answer
    x = 538.94

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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.