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Finding the Fourth Proportional to 637.65, 881.42 and 586.62

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Solution

The fourth proportional to 637.65, 881.42 and 586.62 is: 810.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.65 : 881.42 = 586.62 : x
  2. Step 2: Convert to fraction form
    637.65/881.42 = 586.62/x
  3. Step 3: Cross multiply
    637.65x = 881.42 × 586.62
  4. Step 4: Simplify right side
    637.65x = 517,055.67
  5. Step 5: Solve for x
    x = 517,055.67/637.65
  6. Step 6: Final answer
    x = 810.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.