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Finding the Fourth Proportional to 530.22, 730.93 and 372.37

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Solution

The fourth proportional to 530.22, 730.93 and 372.37 is: 513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.22 : 730.93 = 372.37 : x
  2. Step 2: Convert to fraction form
    530.22/730.93 = 372.37/x
  3. Step 3: Cross multiply
    530.22x = 730.93 × 372.37
  4. Step 4: Simplify right side
    530.22x = 272,172.75
  5. Step 5: Solve for x
    x = 272,172.75/530.22
  6. Step 6: Final answer
    x = 513.33

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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.