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Finding the Fourth Proportional to 1,303.39, 1,955.67 and 573.18

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Solution

The fourth proportional to 1,303.39, 1,955.67 and 573.18 is: 860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.39 : 1,955.67 = 573.18 : x
  2. Step 2: Convert to fraction form
    1,303.39/1,955.67 = 573.18/x
  3. Step 3: Cross multiply
    1,303.39x = 1,955.67 × 573.18
  4. Step 4: Simplify right side
    1,303.39x = 1,120,950.93
  5. Step 5: Solve for x
    x = 1,120,950.93/1,303.39
  6. Step 6: Final answer
    x = 860.03

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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.