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Finding the Fourth Proportional to 733.60, 1,011.18 and 573.81

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Solution

The fourth proportional to 733.60, 1,011.18 and 573.81 is: 790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    733.60 : 1,011.18 = 573.81 : x
  2. Step 2: Convert to fraction form
    733.60/1,011.18 = 573.81/x
  3. Step 3: Cross multiply
    733.60x = 1,011.18 × 573.81
  4. Step 4: Simplify right side
    733.60x = 580,225.20
  5. Step 5: Solve for x
    x = 580,225.20/733.60
  6. Step 6: Final answer
    x = 790.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.