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Finding the Fourth Proportional to 530.87, 732.23 and 373.83

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Solution

The fourth proportional to 530.87, 732.23 and 373.83 is: 515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.87 : 732.23 = 373.83 : x
  2. Step 2: Convert to fraction form
    530.87/732.23 = 373.83/x
  3. Step 3: Cross multiply
    530.87x = 732.23 × 373.83
  4. Step 4: Simplify right side
    530.87x = 273,729.54
  5. Step 5: Solve for x
    x = 273,729.54/530.87
  6. Step 6: Final answer
    x = 515.62

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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.