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Finding the Fourth Proportional to 1,530.99, 2,296.50 and 376.74

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Solution

The fourth proportional to 1,530.99, 2,296.50 and 376.74 is: 565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530.99 : 2,296.50 = 376.74 : x
  2. Step 2: Convert to fraction form
    1,530.99/2,296.50 = 376.74/x
  3. Step 3: Cross multiply
    1,530.99x = 2,296.50 × 376.74
  4. Step 4: Simplify right side
    1,530.99x = 865,183.41
  5. Step 5: Solve for x
    x = 865,183.41/1,530.99
  6. Step 6: Final answer
    x = 565.11

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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.