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Finding the Fourth Proportional to 530.69, 795.02 and 324.95

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Solution

The fourth proportional to 530.69, 795.02 and 324.95 is: 486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.69 : 795.02 = 324.95 : x
  2. Step 2: Convert to fraction form
    530.69/795.02 = 324.95/x
  3. Step 3: Cross multiply
    530.69x = 795.02 × 324.95
  4. Step 4: Simplify right side
    530.69x = 258,336.15
  5. Step 5: Solve for x
    x = 258,336.15/530.69
  6. Step 6: Final answer
    x = 486.80

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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.