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Finding the Fourth Proportional to 651.99, 977.84 and 300.51

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Solution

The fourth proportional to 651.99, 977.84 and 300.51 is: 450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.99 : 977.84 = 300.51 : x
  2. Step 2: Convert to fraction form
    651.99/977.84 = 300.51/x
  3. Step 3: Cross multiply
    651.99x = 977.84 × 300.51
  4. Step 4: Simplify right side
    651.99x = 293,849.20
  5. Step 5: Solve for x
    x = 293,849.20/651.99
  6. Step 6: Final answer
    x = 450.70

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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.