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Finding the Fourth Proportional to 680.99, 937.71 and 582.53

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Solution

The fourth proportional to 680.99, 937.71 and 582.53 is: 802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    680.99 : 937.71 = 582.53 : x
  2. Step 2: Convert to fraction form
    680.99/937.71 = 582.53/x
  3. Step 3: Cross multiply
    680.99x = 937.71 × 582.53
  4. Step 4: Simplify right side
    680.99x = 546,244.21
  5. Step 5: Solve for x
    x = 546,244.21/680.99
  6. Step 6: Final answer
    x = 802.13

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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.