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Finding the Fourth Proportional to 699.08, 961.49 and 586.99

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Solution

The fourth proportional to 699.08, 961.49 and 586.99 is: 807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    699.08 : 961.49 = 586.99 : x
  2. Step 2: Convert to fraction form
    699.08/961.49 = 586.99/x
  3. Step 3: Cross multiply
    699.08x = 961.49 × 586.99
  4. Step 4: Simplify right side
    699.08x = 564,384.08
  5. Step 5: Solve for x
    x = 564,384.08/699.08
  6. Step 6: Final answer
    x = 807.33

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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.