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Finding the Fourth Proportional to 1,323.98, 1,985.96 and 350.06

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Solution

The fourth proportional to 1,323.98, 1,985.96 and 350.06 is: 525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323.98 : 1,985.96 = 350.06 : x
  2. Step 2: Convert to fraction form
    1,323.98/1,985.96 = 350.06/x
  3. Step 3: Cross multiply
    1,323.98x = 1,985.96 × 350.06
  4. Step 4: Simplify right side
    1,323.98x = 695,211.00
  5. Step 5: Solve for x
    x = 695,211.00/1,323.98
  6. Step 6: Final answer
    x = 525.09

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Double scale
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Similar ratio
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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.