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Finding the Fourth Proportional to 410.59, 613.01 and 360.99

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Solution

The fourth proportional to 410.59, 613.01 and 360.99 is: 538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.59 : 613.01 = 360.99 : x
  2. Step 2: Convert to fraction form
    410.59/613.01 = 360.99/x
  3. Step 3: Cross multiply
    410.59x = 613.01 × 360.99
  4. Step 4: Simplify right side
    410.59x = 221,291.43
  5. Step 5: Solve for x
    x = 221,291.43/410.59
  6. Step 6: Final answer
    x = 538.95

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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.