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Finding the Fourth Proportional to 651.13, 980.21 and 594.63

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Solution

The fourth proportional to 651.13, 980.21 and 594.63 is: 895.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.13 : 980.21 = 594.63 : x
  2. Step 2: Convert to fraction form
    651.13/980.21 = 594.63/x
  3. Step 3: Cross multiply
    651.13x = 980.21 × 594.63
  4. Step 4: Simplify right side
    651.13x = 582,860.41
  5. Step 5: Solve for x
    x = 582,860.41/651.13
  6. Step 6: Final answer
    x = 895.16

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.