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Finding the Fourth Proportional to 530.24, 793.98 and 366.21

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Solution

The fourth proportional to 530.24, 793.98 and 366.21 is: 548.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.24 : 793.98 = 366.21 : x
  2. Step 2: Convert to fraction form
    530.24/793.98 = 366.21/x
  3. Step 3: Cross multiply
    530.24x = 793.98 × 366.21
  4. Step 4: Simplify right side
    530.24x = 290,763.42
  5. Step 5: Solve for x
    x = 290,763.42/530.24
  6. Step 6: Final answer
    x = 548.37

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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.