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Finding the Fourth Proportional to 530.06, 730.53 and 372.38

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Solution

The fourth proportional to 530.06, 730.53 and 372.38 is: 513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.06 : 730.53 = 372.38 : x
  2. Step 2: Convert to fraction form
    530.06/730.53 = 372.38/x
  3. Step 3: Cross multiply
    530.06x = 730.53 × 372.38
  4. Step 4: Simplify right side
    530.06x = 272,034.76
  5. Step 5: Solve for x
    x = 272,034.76/530.06
  6. Step 6: Final answer
    x = 513.22

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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.