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Finding the Fourth Proportional to 1,307.04, 1,959.52 and 536.96

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Solution

The fourth proportional to 1,307.04, 1,959.52 and 536.96 is: 805.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307.04 : 1,959.52 = 536.96 : x
  2. Step 2: Convert to fraction form
    1,307.04/1,959.52 = 536.96/x
  3. Step 3: Cross multiply
    1,307.04x = 1,959.52 × 536.96
  4. Step 4: Simplify right side
    1,307.04x = 1,052,183.86
  5. Step 5: Solve for x
    x = 1,052,183.86/1,307.04
  6. Step 6: Final answer
    x = 805.01

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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.