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Finding the Fourth Proportional to 885.03, 1,327.62 and 365.06

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Solution

The fourth proportional to 885.03, 1,327.62 and 365.06 is: 547.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    885.03 : 1,327.62 = 365.06 : x
  2. Step 2: Convert to fraction form
    885.03/1,327.62 = 365.06/x
  3. Step 3: Cross multiply
    885.03x = 1,327.62 × 365.06
  4. Step 4: Simplify right side
    885.03x = 484,654.32
  5. Step 5: Solve for x
    x = 484,654.32/885.03
  6. Step 6: Final answer
    x = 547.61

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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.