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Finding the Fourth Proportional to 1,357.35, 2,036.52 and 536.19

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Solution

The fourth proportional to 1,357.35, 2,036.52 and 536.19 is: 804.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357.35 : 2,036.52 = 536.19 : x
  2. Step 2: Convert to fraction form
    1,357.35/2,036.52 = 536.19/x
  3. Step 3: Cross multiply
    1,357.35x = 2,036.52 × 536.19
  4. Step 4: Simplify right side
    1,357.35x = 1,091,961.66
  5. Step 5: Solve for x
    x = 1,091,961.66/1,357.35
  6. Step 6: Final answer
    x = 804.48

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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.