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Finding the Fourth Proportional to 652.41, 900.20 and 372.65

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Solution

The fourth proportional to 652.41, 900.20 and 372.65 is: 514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    652.41 : 900.20 = 372.65 : x
  2. Step 2: Convert to fraction form
    652.41/900.20 = 372.65/x
  3. Step 3: Cross multiply
    652.41x = 900.20 × 372.65
  4. Step 4: Simplify right side
    652.41x = 335,455.96
  5. Step 5: Solve for x
    x = 335,455.96/652.41
  6. Step 6: Final answer
    x = 514.18

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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.