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Finding the Fourth Proportional to 1,504.99, 2,256.66 and 464.71

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Solution

The fourth proportional to 1,504.99, 2,256.66 and 464.71 is: 696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,504.99 : 2,256.66 = 464.71 : x
  2. Step 2: Convert to fraction form
    1,504.99/2,256.66 = 464.71/x
  3. Step 3: Cross multiply
    1,504.99x = 2,256.66 × 464.71
  4. Step 4: Simplify right side
    1,504.99x = 1,048,686.83
  5. Step 5: Solve for x
    x = 1,048,686.83/1,504.99
  6. Step 6: Final answer
    x = 696.81

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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.