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Finding the Fourth Proportional to 730.25, 1,094.80 and 365.29

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Solution

The fourth proportional to 730.25, 1,094.80 and 365.29 is: 547.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    730.25 : 1,094.80 = 365.29 : x
  2. Step 2: Convert to fraction form
    730.25/1,094.80 = 365.29/x
  3. Step 3: Cross multiply
    730.25x = 1,094.80 × 365.29
  4. Step 4: Simplify right side
    730.25x = 399,919.49
  5. Step 5: Solve for x
    x = 399,919.49/730.25
  6. Step 6: Final answer
    x = 547.65

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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.