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Finding the Fourth Proportional to 637.65, 955.91 and 377.01

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Solution

The fourth proportional to 637.65, 955.91 and 377.01 is: 565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.65 : 955.91 = 377.01 : x
  2. Step 2: Convert to fraction form
    637.65/955.91 = 377.01/x
  3. Step 3: Cross multiply
    637.65x = 955.91 × 377.01
  4. Step 4: Simplify right side
    637.65x = 360,388.57
  5. Step 5: Solve for x
    x = 360,388.57/637.65
  6. Step 6: Final answer
    x = 565.18

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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.