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Finding the Fourth Proportional to 651.33, 977.13 and 240.47

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Solution

The fourth proportional to 651.33, 977.13 and 240.47 is: 360.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.33 : 977.13 = 240.47 : x
  2. Step 2: Convert to fraction form
    651.33/977.13 = 240.47/x
  3. Step 3: Cross multiply
    651.33x = 977.13 × 240.47
  4. Step 4: Simplify right side
    651.33x = 234,965.57
  5. Step 5: Solve for x
    x = 234,965.57/651.33
  6. Step 6: Final answer
    x = 360.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.