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Finding the Fourth Proportional to 1,477.73, 2,216.24 and 437.45

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Solution

The fourth proportional to 1,477.73, 2,216.24 and 437.45 is: 656.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.73 : 2,216.24 = 437.45 : x
  2. Step 2: Convert to fraction form
    1,477.73/2,216.24 = 437.45/x
  3. Step 3: Cross multiply
    1,477.73x = 2,216.24 × 437.45
  4. Step 4: Simplify right side
    1,477.73x = 969,494.19
  5. Step 5: Solve for x
    x = 969,494.19/1,477.73
  6. Step 6: Final answer
    x = 656.07

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1.5x scale

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.