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Finding the Fourth Proportional to 530.22, 795.47 and 286.41

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Solution

The fourth proportional to 530.22, 795.47 and 286.41 is: 429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.22 : 795.47 = 286.41 : x
  2. Step 2: Convert to fraction form
    530.22/795.47 = 286.41/x
  3. Step 3: Cross multiply
    530.22x = 795.47 × 286.41
  4. Step 4: Simplify right side
    530.22x = 227,829.13
  5. Step 5: Solve for x
    x = 227,829.13/530.22
  6. Step 6: Final answer
    x = 429.69

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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.