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Finding the Fourth Proportional to 651.24, 980.92 and 606.16

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Solution

The fourth proportional to 651.24, 980.92 and 606.16 is: 913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.24 : 980.92 = 606.16 : x
  2. Step 2: Convert to fraction form
    651.24/980.92 = 606.16/x
  3. Step 3: Cross multiply
    651.24x = 980.92 × 606.16
  4. Step 4: Simplify right side
    651.24x = 594,594.47
  5. Step 5: Solve for x
    x = 594,594.47/651.24
  6. Step 6: Final answer
    x = 913.02

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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.