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Finding the Fourth Proportional to 530.08, 796.03 and 477.23

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Solution

The fourth proportional to 530.08, 796.03 and 477.23 is: 716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.08 : 796.03 = 477.23 : x
  2. Step 2: Convert to fraction form
    530.08/796.03 = 477.23/x
  3. Step 3: Cross multiply
    530.08x = 796.03 × 477.23
  4. Step 4: Simplify right side
    530.08x = 379,884.22
  5. Step 5: Solve for x
    x = 379,884.22/530.08
  6. Step 6: Final answer
    x = 716.66

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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.