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Finding the Fourth Proportional to 1,484.96, 2,226.21 and 560.01

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Solution

The fourth proportional to 1,484.96, 2,226.21 and 560.01 is: 839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.96 : 2,226.21 = 560.01 : x
  2. Step 2: Convert to fraction form
    1,484.96/2,226.21 = 560.01/x
  3. Step 3: Cross multiply
    1,484.96x = 2,226.21 × 560.01
  4. Step 4: Simplify right side
    1,484.96x = 1,246,699.86
  5. Step 5: Solve for x
    x = 1,246,699.86/1,484.96
  6. Step 6: Final answer
    x = 839.55

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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.