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Finding the Fourth Proportional to 1,303.13, 1,953.19 and 562.52

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Solution

The fourth proportional to 1,303.13, 1,953.19 and 562.52 is: 843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.13 : 1,953.19 = 562.52 : x
  2. Step 2: Convert to fraction form
    1,303.13/1,953.19 = 562.52/x
  3. Step 3: Cross multiply
    1,303.13x = 1,953.19 × 562.52
  4. Step 4: Simplify right side
    1,303.13x = 1,098,708.44
  5. Step 5: Solve for x
    x = 1,098,708.44/1,303.13
  6. Step 6: Final answer
    x = 843.13

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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.