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Finding the Fourth Proportional to 739.24, 1,108.09 and 373.26

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Solution

The fourth proportional to 739.24, 1,108.09 and 373.26 is: 559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    739.24 : 1,108.09 = 373.26 : x
  2. Step 2: Convert to fraction form
    739.24/1,108.09 = 373.26/x
  3. Step 3: Cross multiply
    739.24x = 1,108.09 × 373.26
  4. Step 4: Simplify right side
    739.24x = 413,605.67
  5. Step 5: Solve for x
    x = 413,605.67/739.24
  6. Step 6: Final answer
    x = 559.50

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Double scale
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Similar ratio
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1.5x scale

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.