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Finding the Fourth Proportional to 637.40, 950.50 and 586.91

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Solution

The fourth proportional to 637.40, 950.50 and 586.91 is: 875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    637.40 : 950.50 = 586.91 : x
  2. Step 2: Convert to fraction form
    637.40/950.50 = 586.91/x
  3. Step 3: Cross multiply
    637.40x = 950.50 × 586.91
  4. Step 4: Simplify right side
    637.40x = 557,857.96
  5. Step 5: Solve for x
    x = 557,857.96/637.40
  6. Step 6: Final answer
    x = 875.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.